7x+12=84+x

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Solution for 7x+12=84+x equation:


Simplifying
7x + 12 = 84 + x

Reorder the terms:
12 + 7x = 84 + x

Solving
12 + 7x = 84 + x

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 + 7x + -1x = 84 + x + -1x

Combine like terms: 7x + -1x = 6x
12 + 6x = 84 + x + -1x

Combine like terms: x + -1x = 0
12 + 6x = 84 + 0
12 + 6x = 84

Add '-12' to each side of the equation.
12 + -12 + 6x = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 6x = 84 + -12
6x = 84 + -12

Combine like terms: 84 + -12 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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