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Solving linear equations to find the value of x.
"}, "variable_groups": [], "tags": [], "functions": {}, "advice": "In part a)
\n$\\simplify{{a[0]}*x+{b[0]}={c[0]}}$
\n$\\simplify{{a[0]}*x}=(\\var{c[0]}-(\\var{b[0]}))$
\n$\\simplify{{a[0]}*x}=\\var{d}$
\n$x=\\var{f}$
\n\nIn part b)
\n$\\simplify[std]{({a[1]}*x/{af[1]})+{b[1]}={c[1]}}$
\n$\\var{a[1]}x$+$(\\var{b[1]}*\\var{af[1]}) = (\\var{c[1]}*\\var{af[1]})$
\n$x= \\var{g}$
\n\nIn part c)
\n$\\simplify{({a[2]}*x+{b[2]})/{af[2]}={c[2]}}$
\n$x=\\frac{(\\var{c[2]}*\\var{af[2]}-\\var{b[2]})}{\\var{a[2]}}$
\n$x= \\var{h}$
\n\nThe video below explains how to carry out similar problems.
\n", "statement": "Evaluate $x$ in the following equations (Answer in two decimal places only)
\nIf you are not familiar with solving these kinds of equations, please watch this video before attempting.
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\n$\\simplify{{a[0]}*x}=$ [[1]]
\n$x=$ [[0]]
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\nFor example,
\nTake the equation: $\\frac{7}{8}x-5=16$
\nAll terms are multiplied by the coefficient denominator: $7x-40=128$
\nIt is then solved in the typical manner: $7x=128+40=168$ then $x=\\frac{168}{7}=24$
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\n$\\var{a[1]}x+$ [[1]] $=$ [[2]]
\n$x=$ [[0]]
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\n$x=$ [[0]]
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