x+15+3x+15=5x-7

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Solution for x+15+3x+15=5x-7 equation:


Simplifying
x + 15 + 3x + 15 = 5x + -7

Reorder the terms:
15 + 15 + x + 3x = 5x + -7

Combine like terms: 15 + 15 = 30
30 + x + 3x = 5x + -7

Combine like terms: x + 3x = 4x
30 + 4x = 5x + -7

Reorder the terms:
30 + 4x = -7 + 5x

Solving
30 + 4x = -7 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
30 + 4x + -5x = -7 + 5x + -5x

Combine like terms: 4x + -5x = -1x
30 + -1x = -7 + 5x + -5x

Combine like terms: 5x + -5x = 0
30 + -1x = -7 + 0
30 + -1x = -7

Add '-30' to each side of the equation.
30 + -30 + -1x = -7 + -30

Combine like terms: 30 + -30 = 0
0 + -1x = -7 + -30
-1x = -7 + -30

Combine like terms: -7 + -30 = -37
-1x = -37

Divide each side by '-1'.
x = 37

Simplifying
x = 37

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