(4x-8)+(x+9)=180

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Solution for (4x-8)+(x+9)=180 equation:


Simplifying
(4x + -8) + (x + 9) = 180

Reorder the terms:
(-8 + 4x) + (x + 9) = 180

Remove parenthesis around (-8 + 4x)
-8 + 4x + (x + 9) = 180

Reorder the terms:
-8 + 4x + (9 + x) = 180

Remove parenthesis around (9 + x)
-8 + 4x + 9 + x = 180

Reorder the terms:
-8 + 9 + 4x + x = 180

Combine like terms: -8 + 9 = 1
1 + 4x + x = 180

Combine like terms: 4x + x = 5x
1 + 5x = 180

Solving
1 + 5x = 180

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 5x = 180 + -1

Combine like terms: 1 + -1 = 0
0 + 5x = 180 + -1
5x = 180 + -1

Combine like terms: 180 + -1 = 179
5x = 179

Divide each side by '5'.
x = 35.8

Simplifying
x = 35.8

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