7x-3x-6=3x+12

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Solution for 7x-3x-6=3x+12 equation:


Simplifying
7x + -3x + -6 = 3x + 12

Reorder the terms:
-6 + 7x + -3x = 3x + 12

Combine like terms: 7x + -3x = 4x
-6 + 4x = 3x + 12

Reorder the terms:
-6 + 4x = 12 + 3x

Solving
-6 + 4x = 12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-6 + 4x + -3x = 12 + 3x + -3x

Combine like terms: 4x + -3x = 1x
-6 + 1x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-6 + 1x = 12 + 0
-6 + 1x = 12

Add '6' to each side of the equation.
-6 + 6 + 1x = 12 + 6

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

Combine like terms: 12 + 6 = 18
1x = 18

Divide each side by '1'.
x = 18

Simplifying
x = 18

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