Solve for x
x=-7
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-42-4x-2x=0
Subtract 2x from both sides.
-42-6x=0
Combine -4x and -2x to get -6x.
-6x=42
Add 42 to both sides. Anything plus zero gives itself.
x=\frac{42}{-6}
Divide both sides by -6.
x=-7
Divide 42 by -6 to get -7.
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