4+x-12=5x+7

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Solution for 4+x-12=5x+7 equation:


Simplifying
4 + x + -12 = 5x + 7

Reorder the terms:
4 + -12 + x = 5x + 7

Combine like terms: 4 + -12 = -8
-8 + x = 5x + 7

Reorder the terms:
-8 + x = 7 + 5x

Solving
-8 + x = 7 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-8 + x + -5x = 7 + 5x + -5x

Combine like terms: x + -5x = -4x
-8 + -4x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0
-8 + -4x = 7 + 0
-8 + -4x = 7

Add '8' to each side of the equation.
-8 + 8 + -4x = 7 + 8

Combine like terms: -8 + 8 = 0
0 + -4x = 7 + 8
-4x = 7 + 8

Combine like terms: 7 + 8 = 15
-4x = 15

Divide each side by '-4'.
x = -3.75

Simplifying
x = -3.75

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