4-x=7x+12

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


Simplifying
4 + -1x = 7x + 12

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

Solving
4 + -1x = 12 + 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.
4 + -1x + -7x = 12 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
4 + -8x = 12 + 0
4 + -8x = 12

Add '-4' to each side of the equation.
4 + -4 + -8x = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -8x = 12 + -4
-8x = 12 + -4

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

Divide each side by '-8'.
x = -1

Simplifying
x = -1

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