(8x+21)+(10x-1)=180

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


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

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

Remove parenthesis around (21 + 8x)
21 + 8x + (10x + -1) = 180

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

Remove parenthesis around (-1 + 10x)
21 + 8x + -1 + 10x = 180

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

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

Combine like terms: 8x + 10x = 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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