2x-9+8x-11=180

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Solution for 2x-9+8x-11=180 equation:


Simplifying
2x + -9 + 8x + -11 = 180

Reorder the terms:
-9 + -11 + 2x + 8x = 180

Combine like terms: -9 + -11 = -20
-20 + 2x + 8x = 180

Combine like terms: 2x + 8x = 10x
-20 + 10x = 180

Solving
-20 + 10x = 180

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 10x = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 10x = 180 + 20
10x = 180 + 20

Combine like terms: 180 + 20 = 200
10x = 200

Divide each side by '10'.
x = 20

Simplifying
x = 20

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