12=5x+4-4x

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Solution for 12=5x+4-4x equation:


Simplifying
12 = 5x + 4 + -4x

Reorder the terms:
12 = 4 + 5x + -4x

Combine like terms: 5x + -4x = 1x
12 = 4 + 1x

Solving
12 = 4 + 1x

Solving for variable 'x'.

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

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

Combine like terms: 1x + -1x = 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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