3x-12+2(-x-5)=7x+7

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Solution for 3x-12+2(-x-5)=7x+7 equation:


Simplifying
3x + -12 + 2(-1x + -5) = 7x + 7

Reorder the terms:
3x + -12 + 2(-5 + -1x) = 7x + 7
3x + -12 + (-5 * 2 + -1x * 2) = 7x + 7
3x + -12 + (-10 + -2x) = 7x + 7

Reorder the terms:
-12 + -10 + 3x + -2x = 7x + 7

Combine like terms: -12 + -10 = -22
-22 + 3x + -2x = 7x + 7

Combine like terms: 3x + -2x = 1x
-22 + 1x = 7x + 7

Reorder the terms:
-22 + 1x = 7 + 7x

Solving
-22 + 1x = 7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-22 + 1x + -7x = 7 + 7x + -7x

Combine like terms: 1x + -7x = -6x
-22 + -6x = 7 + 7x + -7x

Combine like terms: 7x + -7x = 0
-22 + -6x = 7 + 0
-22 + -6x = 7

Add '22' to each side of the equation.
-22 + 22 + -6x = 7 + 22

Combine like terms: -22 + 22 = 0
0 + -6x = 7 + 22
-6x = 7 + 22

Combine like terms: 7 + 22 = 29
-6x = 29

Divide each side by '-6'.
x = -4.833333333

Simplifying
x = -4.833333333

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