7x+4=5x-8

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Solution for 7x+4=5x-8 equation:


Simplifying
7x + 4 = 5x + -8

Reorder the terms:
4 + 7x = 5x + -8

Reorder the terms:
4 + 7x = -8 + 5x

Solving
4 + 7x = -8 + 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.
4 + 7x + -5x = -8 + 5x + -5x

Combine like terms: 7x + -5x = 2x
4 + 2x = -8 + 5x + -5x

Combine like terms: 5x + -5x = 0
4 + 2x = -8 + 0
4 + 2x = -8

Add '-4' to each side of the equation.
4 + -4 + 2x = -8 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -8 + -4
2x = -8 + -4

Combine like terms: -8 + -4 = -12
2x = -12

Divide each side by '2'.
x = -6

Simplifying
x = -6

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