(7x+9)+(11x-1)=180

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Solution for (7x+9)+(11x-1)=180 equation:


Simplifying
(7x + 9) + (11x + -1) = 180

Reorder the terms:
(9 + 7x) + (11x + -1) = 180

Remove parenthesis around (9 + 7x)
9 + 7x + (11x + -1) = 180

Reorder the terms:
9 + 7x + (-1 + 11x) = 180

Remove parenthesis around (-1 + 11x)
9 + 7x + -1 + 11x = 180

Reorder the terms:
9 + -1 + 7x + 11x = 180

Combine like terms: 9 + -1 = 8
8 + 7x + 11x = 180

Combine like terms: 7x + 11x = 18x
8 + 18x = 180

Solving
8 + 18x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 18x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 18x = 180 + -8
18x = 180 + -8

Combine like terms: 180 + -8 = 172
18x = 172

Divide each side by '18'.
x = 9.555555556

Simplifying
x = 9.555555556

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