4x+7+12=8-x+7

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Solution for 4x+7+12=8-x+7 equation:


Simplifying
4x + 7 + 12 = 8 + -1x + 7

Reorder the terms:
7 + 12 + 4x = 8 + -1x + 7

Combine like terms: 7 + 12 = 19
19 + 4x = 8 + -1x + 7

Reorder the terms:
19 + 4x = 8 + 7 + -1x

Combine like terms: 8 + 7 = 15
19 + 4x = 15 + -1x

Solving
19 + 4x = 15 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
19 + 4x + x = 15 + -1x + x

Combine like terms: 4x + x = 5x
19 + 5x = 15 + -1x + x

Combine like terms: -1x + x = 0
19 + 5x = 15 + 0
19 + 5x = 15

Add '-19' to each side of the equation.
19 + -19 + 5x = 15 + -19

Combine like terms: 19 + -19 = 0
0 + 5x = 15 + -19
5x = 15 + -19

Combine like terms: 15 + -19 = -4
5x = -4

Divide each side by '5'.
x = -0.8

Simplifying
x = -0.8

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