12+7x+4=8x+x

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


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

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

Combine like terms: 12 + 4 = 16
16 + 7x = 8x + x

Combine like terms: 8x + x = 9x
16 + 7x = 9x

Solving
16 + 7x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
16 + 7x + -9x = 9x + -9x

Combine like terms: 7x + -9x = -2x
16 + -2x = 9x + -9x

Combine like terms: 9x + -9x = 0
16 + -2x = 0

Add '-16' to each side of the equation.
16 + -16 + -2x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -2x = 0 + -16
-2x = 0 + -16

Combine like terms: 0 + -16 = -16
-2x = -16

Divide each side by '-2'.
x = 8

Simplifying
x = 8

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