2x-8-9x=20

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Solution for 2x-8-9x=20 equation:


Simplifying
2x + -8 + -9x = 20

Reorder the terms:
-8 + 2x + -9x = 20

Combine like terms: 2x + -9x = -7x
-8 + -7x = 20

Solving
-8 + -7x = 20

Solving for variable 'x'.

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

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

Combine like terms: -8 + 8 = 0
0 + -7x = 20 + 8
-7x = 20 + 8

Combine like terms: 20 + 8 = 28
-7x = 28

Divide each side by '-7'.
x = -4

Simplifying
x = -4

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