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

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


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

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

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

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

Combine like terms: 12 + 3 = 15
6 + 4x = 15 + 3x

Solving
6 + 4x = 15 + 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 = 15 + 3x + -3x

Combine like terms: 4x + -3x = 1x
6 + 1x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
6 + 1x = 15 + 0
6 + 1x = 15

Add '-6' to each side of the equation.
6 + -6 + 1x = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 1x = 15 + -6
1x = 15 + -6

Combine like terms: 15 + -6 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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