12-7x=30+2x

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Solution for 12-7x=30+2x equation:


Simplifying
12 + -7x = 30 + 2x

Solving
12 + -7x = 30 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.
12 + -7x + -2x = 30 + 2x + -2x

Combine like terms: -7x + -2x = -9x
12 + -9x = 30 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + -9x = 30 + 0
12 + -9x = 30

Add '-12' to each side of the equation.
12 + -12 + -9x = 30 + -12

Combine like terms: 12 + -12 = 0
0 + -9x = 30 + -12
-9x = 30 + -12

Combine like terms: 30 + -12 = 18
-9x = 18

Divide each side by '-9'.
x = -2

Simplifying
x = -2

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