(8x-20)+(x+15)=180

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Solution for (8x-20)+(x+15)=180 equation:


Simplifying
(8x + -20) + (x + 15) = 180

Reorder the terms:
(-20 + 8x) + (x + 15) = 180

Remove parenthesis around (-20 + 8x)
-20 + 8x + (x + 15) = 180

Reorder the terms:
-20 + 8x + (15 + x) = 180

Remove parenthesis around (15 + x)
-20 + 8x + 15 + x = 180

Reorder the terms:
-20 + 15 + 8x + x = 180

Combine like terms: -20 + 15 = -5
-5 + 8x + x = 180

Combine like terms: 8x + x = 9x
-5 + 9x = 180

Solving
-5 + 9x = 180

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 9x = 180 + 5

Combine like terms: -5 + 5 = 0
0 + 9x = 180 + 5
9x = 180 + 5

Combine like terms: 180 + 5 = 185
9x = 185

Divide each side by '9'.
x = 20.55555556

Simplifying
x = 20.55555556

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