20-2x-5=8x-7x

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Solution for 20-2x-5=8x-7x equation:


Simplifying
20 + -2x + -5 = 8x + -7x

Reorder the terms:
20 + -5 + -2x = 8x + -7x

Combine like terms: 20 + -5 = 15
15 + -2x = 8x + -7x

Combine like terms: 8x + -7x = 1x
15 + -2x = 1x

Solving
15 + -2x = 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
15 + -2x + -1x = 1x + -1x

Combine like terms: -2x + -1x = -3x
15 + -3x = 1x + -1x

Combine like terms: 1x + -1x = 0
15 + -3x = 0

Add '-15' to each side of the equation.
15 + -15 + -3x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = 0 + -15
-3x = 0 + -15

Combine like terms: 0 + -15 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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