55-3x+15=3+x+4+x

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Solution for 55-3x+15=3+x+4+x equation: 


Simplifying
55 + -3x + 15 = 3 + x + 4 + x

Reorder the terms:
55 + 15 + -3x = 3 + x + 4 + x

Combine like terms: 55 + 15 = 70
70 + -3x = 3 + x + 4 + x

Reorder the terms:
70 + -3x = 3 + 4 + x + x

Combine like terms: 3 + 4 = 7
70 + -3x = 7 + x + x

Combine like terms: x + x = 2x
70 + -3x = 7 + 2x

Solving
70 + -3x = 7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
70 + -3x + -2x = 7 + 2x + -2x

Combine like terms: -3x + -2x = -5x
70 + -5x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
70 + -5x = 7 + 0
70 + -5x = 7

Add '-70' to each side of the equation.
70 + -70 + -5x = 7 + -70

Combine like terms: 70 + -70 = 0
0 + -5x = 7 + -70
-5x = 7 + -70

Combine like terms: 7 + -70 = -63
-5x = -63

Divide each side by '-5'.
x = 12.6

Simplifying
x = 12.6

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