8x+5x+4+8=5x+4+7x

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


Simplifying
8x + 5x + 4 + 8 = 5x + 4 + 7x

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

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

Combine like terms: 8x + 5x = 13x
12 + 13x = 5x + 4 + 7x

Reorder the terms:
12 + 13x = 4 + 5x + 7x

Combine like terms: 5x + 7x = 12x
12 + 13x = 4 + 12x

Solving
12 + 13x = 4 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
12 + 13x + -12x = 4 + 12x + -12x

Combine like terms: 13x + -12x = 1x
12 + 1x = 4 + 12x + -12x

Combine like terms: 12x + -12x = 0
12 + 1x = 4 + 0
12 + 1x = 4

Add '-12' to each side of the equation.
12 + -12 + 1x = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 4 + -12
1x = 4 + -12

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

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

Simplifying
x = -8

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