(7x+4)+(4x+9)=180

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Solution for (7x+4)+(4x+9)=180 equation: 


Simplifying
(7x + 4) + (4x + 9) = 180

Reorder the terms:
(4 + 7x) + (4x + 9) = 180

Remove parenthesis around (4 + 7x)
4 + 7x + (4x + 9) = 180

Reorder the terms:
4 + 7x + (9 + 4x) = 180

Remove parenthesis around (9 + 4x)
4 + 7x + 9 + 4x = 180

Reorder the terms:
4 + 9 + 7x + 4x = 180

Combine like terms: 4 + 9 = 13
13 + 7x + 4x = 180

Combine like terms: 7x + 4x = 11x
13 + 11x = 180

Solving
13 + 11x = 180

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 11x = 180 + -13

Combine like terms: 13 + -13 = 0
0 + 11x = 180 + -13
11x = 180 + -13

Combine like terms: 180 + -13 = 167
11x = 167

Divide each side by '11'.
x = 15.18181818

Simplifying
x = 15.18181818

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