2x+15+2x-3=57-3x+39

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Solution for 2x+15+2x-3=57-3x+39 equation:


Simplifying
2x + 15 + 2x + -3 = 57 + -3x + 39

Reorder the terms:
15 + -3 + 2x + 2x = 57 + -3x + 39

Combine like terms: 15 + -3 = 12
12 + 2x + 2x = 57 + -3x + 39

Combine like terms: 2x + 2x = 4x
12 + 4x = 57 + -3x + 39

Reorder the terms:
12 + 4x = 57 + 39 + -3x

Combine like terms: 57 + 39 = 96
12 + 4x = 96 + -3x

Solving
12 + 4x = 96 + -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 = 96 + -3x + 3x

Combine like terms: 4x + 3x = 7x
12 + 7x = 96 + -3x + 3x

Combine like terms: -3x + 3x = 0
12 + 7x = 96 + 0
12 + 7x = 96

Add '-12' to each side of the equation.
12 + -12 + 7x = 96 + -12

Combine like terms: 12 + -12 = 0
0 + 7x = 96 + -12
7x = 96 + -12

Combine like terms: 96 + -12 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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