-15x-20=13x+120

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Solution for -15x-20=13x+120 equation:


Simplifying
-15x + -20 = 13x + 120

Reorder the terms:
-20 + -15x = 13x + 120

Reorder the terms:
-20 + -15x = 120 + 13x

Solving
-20 + -15x = 120 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-20 + -15x + -13x = 120 + 13x + -13x

Combine like terms: -15x + -13x = -28x
-20 + -28x = 120 + 13x + -13x

Combine like terms: 13x + -13x = 0
-20 + -28x = 120 + 0
-20 + -28x = 120

Add '20' to each side of the equation.
-20 + 20 + -28x = 120 + 20

Combine like terms: -20 + 20 = 0
0 + -28x = 120 + 20
-28x = 120 + 20

Combine like terms: 120 + 20 = 140
-28x = 140

Divide each side by '-28'.
x = -5

Simplifying
x = -5

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