(5x-7)+(4x+5)=180

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Solution for (5x-7)+(4x+5)=180 equation:


Simplifying
(5x + -7) + (4x + 5) = 180

Reorder the terms:
(-7 + 5x) + (4x + 5) = 180

Remove parenthesis around (-7 + 5x)
-7 + 5x + (4x + 5) = 180

Reorder the terms:
-7 + 5x + (5 + 4x) = 180

Remove parenthesis around (5 + 4x)
-7 + 5x + 5 + 4x = 180

Reorder the terms:
-7 + 5 + 5x + 4x = 180

Combine like terms: -7 + 5 = -2
-2 + 5x + 4x = 180

Combine like terms: 5x + 4x = 9x
-2 + 9x = 180

Solving
-2 + 9x = 180

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 9x = 180 + 2

Combine like terms: -2 + 2 = 0
0 + 9x = 180 + 2
9x = 180 + 2

Combine like terms: 180 + 2 = 182
9x = 182

Divide each side by '9'.
x = 20.22222222

Simplifying
x = 20.22222222

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