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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$25-3x=7$$
Solve for x
$x=6$
Steps for Solving Linear Equation
Subtract $25$ from both sides.
$$-3x=7-25$$
Subtract $25$ from $7$ to get $-18$.
$$-3x=-18$$
Divide both sides by $-3$.
$$x=\frac{-18}{-3}$$
Divide $-18$ by $-3$ to get $6$.
$$x=6$$
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