4x+12=84-4x

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Solution for 4x+12=84-4x equation:


Simplifying
4x + 12 = 84 + -4x

Reorder the terms:
12 + 4x = 84 + -4x

Solving
12 + 4x = 84 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
12 + 4x + 4x = 84 + -4x + 4x

Combine like terms: 4x + 4x = 8x
12 + 8x = 84 + -4x + 4x

Combine like terms: -4x + 4x = 0
12 + 8x = 84 + 0
12 + 8x = 84

Add '-12' to each side of the equation.
12 + -12 + 8x = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 8x = 84 + -12
8x = 84 + -12

Combine like terms: 84 + -12 = 72
8x = 72

Divide each side by '8'.
x = 9

Simplifying
x = 9

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