// Numbas version: exam_results_page_options {"name": "Solving linear inequalities/inequations: two inequalities", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": ["a", "b", "c", "left_ba", "right_ba", "left_bb", "right_bb", "left_bc", "right_bc", "bleft", "bright"], "name": "Solving linear inequalities/inequations: two inequalities", "tags": ["algebra", "balancing equations", "inequalities", "inequality", "inequation", "inequations", "Linear equations", "linear equations", "rearranging equations", "solving equations", "Solving equations", "two step equations"], "advice": "", "rulesets": {}, "parts": [{"stepsPenalty": "1", "prompt": "

Given that $x>\\var{left_ba}$ and $x<\\var{right_ba}$, we can write [[0]] $<x<$ [[1]].

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$\\var{left_ba} <x< \\var{right_ba}$ means $\\var{left_ba} <x$ and $x< \\var{right_ba}$. You could read this as \"$x$ is between $\\var{left_ba}$ and $\\var{right_ba}$\".

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Given $\\var{left_bb}<\\frac{x}{\\var{c}}<\\var{right_bb}$, solving for $x$ gives [[0]]$<x<$ [[1]].

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Solving inequalities is similar to solving equations, ensure you do the same thing to all sides. Note that the operations we do are to get $x$ by itself.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
$\\var{left_bb}$$<$$\\displaystyle \\frac{x}{\\var{c}}$$<$$\\var{right_bb}$
 
$\\var{left_bb}\\times \\var{c}$$<$$\\displaystyle \\frac{x}{\\var{c}}\\times \\var{c}$$<$$\\var{right_bb}\\times \\var{c}$
 
$\\var{bleft}$$<$$x$$<$$\\var{bright}$
\n

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Given $\\var{left_bc}<\\frac{\\simplify{{a}x+{b}}}{\\var{c}}<\\var{right_bc}$, solving for $x$ gives [[0]]$<x<$ [[1]].

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Solving inequalities is similar to solving equations, ensure you do the same thing to all sides. Note that the operations we do are to get $x$ by itself.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
$\\var{left_bc}$$<$$\\displaystyle \\frac{\\simplify{{a}x+{b}}}{\\var{c}}$$<$$\\var{right_bc}$
  
$\\var{left_bc}\\times \\var{c}$$<$$\\displaystyle \\frac{\\simplify{{a}x+{b}}}{\\var{c}}\\times \\var{c}$$<$$\\var{right_bc}\\times \\var{c}$
  
$\\var{left_bc*c}$$<$$\\simplify{{a}x+{b}}$$<$$\\var{right_bc*c}$
 
$\\simplify[basic]{{left_bc*c}-{b}}$$<$$\\simplify[basic]{{a}x+{b}-{b}}$ $<$$\\simplify[basic]{{right_bc*c}-{b}}$
 
$\\var{left_bc*c-b}$$<$$\\var{a}x$$<$$\\var{right_bc*c-b}$
 
$\\displaystyle\\frac{\\var{left_bc*c-b}}{\\var{a}}$$<$$\\displaystyle\\frac{\\var{a}x}{\\var{a}}$$<$$\\displaystyle\\frac{\\var{right_bc*c-b}}{\\var{a}}$
 
$\\displaystyle\\simplify{{left_bc*c-b}/{a}}$$<$$x$$<$$\\displaystyle\\simplify{{right_bc*c-b}/{a}}$
\n

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