15+x-3+3x=3x+6

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Solution for 15+x-3+3x=3x+6 equation:


Simplifying
15 + x + -3 + 3x = 3x + 6

Reorder the terms:
15 + -3 + x + 3x = 3x + 6

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

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

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

Solving
12 + 4x = 6 + 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.
12 + 4x + -3x = 6 + 3x + -3x

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

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

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

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

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

Divide each side by '1'.
x = -6

Simplifying
x = -6

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