8x+9x-20=180

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Solution for 8x+9x-20=180 equation:


Simplifying
8x + 9x + -20 = 180

Reorder the terms:
-20 + 8x + 9x = 180

Combine like terms: 8x + 9x = 17x
-20 + 17x = 180

Solving
-20 + 17x = 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 + 17x = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 17x = 180 + 20
17x = 180 + 20

Combine like terms: 180 + 20 = 200
17x = 200

Divide each side by '17'.
x = 11.76470588

Simplifying
x = 11.76470588

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