10x-1+8x+21=180

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Solution for 10x-1+8x+21=180 equation:


Simplifying
10x + -1 + 8x + 21 = 180

Reorder the terms:
-1 + 21 + 10x + 8x = 180

Combine like terms: -1 + 21 = 20
20 + 10x + 8x = 180

Combine like terms: 10x + 8x = 18x
20 + 18x = 180

Solving
20 + 18x = 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 + 18x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 18x = 180 + -20
18x = 180 + -20

Combine like terms: 180 + -20 = 160
18x = 160

Divide each side by '18'.
x = 8.888888889

Simplifying
x = 8.888888889

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