7x-12=x+4

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


Simplifying
7x + -12 = x + 4

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

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

Solving
-12 + 7x = 4 + 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 = 4 + x + -1x

Combine like terms: 7x + -1x = 6x
-12 + 6x = 4 + x + -1x

Combine like terms: x + -1x = 0
-12 + 6x = 4 + 0
-12 + 6x = 4

Add '12' to each side of the equation.
-12 + 12 + 6x = 4 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = 4 + 12
6x = 4 + 12

Combine like terms: 4 + 12 = 16
6x = 16

Divide each side by '6'.
x = 2.666666667

Simplifying
x = 2.666666667

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