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Basic Math
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Integers & Absolute Values
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$2x-3x=18$$
Solve for x
$x=-18$
Steps for Solving Linear Equation
Combine $2x$ and $-3x$ to get $-x$.
$$-x=18$$
Multiply both sides by $-1$.
$$x=-18$$
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