-55-7x=8x+20

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Solution for -55-7x=8x+20 equation:


Simplifying
-55 + -7x = 8x + 20

Reorder the terms:
-55 + -7x = 20 + 8x

Solving
-55 + -7x = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-55 + -7x + -8x = 20 + 8x + -8x

Combine like terms: -7x + -8x = -15x
-55 + -15x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
-55 + -15x = 20 + 0
-55 + -15x = 20

Add '55' to each side of the equation.
-55 + 55 + -15x = 20 + 55

Combine like terms: -55 + 55 = 0
0 + -15x = 20 + 55
-15x = 20 + 55

Combine like terms: 20 + 55 = 75
-15x = 75

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

Simplifying
x = -5

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