2x-55=7x+20

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Solution for 2x-55=7x+20 equation:


Simplifying
2x + -55 = 7x + 20

Reorder the terms:
-55 + 2x = 7x + 20

Reorder the terms:
-55 + 2x = 20 + 7x

Solving
-55 + 2x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-55 + 2x + -7x = 20 + 7x + -7x

Combine like terms: 2x + -7x = -5x
-55 + -5x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-55 + -5x = 20 + 0
-55 + -5x = 20

Add '55' to each side of the equation.
-55 + 55 + -5x = 20 + 55

Combine like terms: -55 + 55 = 0
0 + -5x = 20 + 55
-5x = 20 + 55

Combine like terms: 20 + 55 = 75
-5x = 75

Divide each side by '-5'.
x = -15

Simplifying
x = -15

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