(3x+5)+(7x+4)=180

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Solution for (3x+5)+(7x+4)=180 equation:


Simplifying
(3x + 5) + (7x + 4) = 180

Reorder the terms:
(5 + 3x) + (7x + 4) = 180

Remove parenthesis around (5 + 3x)
5 + 3x + (7x + 4) = 180

Reorder the terms:
5 + 3x + (4 + 7x) = 180

Remove parenthesis around (4 + 7x)
5 + 3x + 4 + 7x = 180

Reorder the terms:
5 + 4 + 3x + 7x = 180

Combine like terms: 5 + 4 = 9
9 + 3x + 7x = 180

Combine like terms: 3x + 7x = 10x
9 + 10x = 180

Solving
9 + 10x = 180

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 10x = 180 + -9

Combine like terms: 9 + -9 = 0
0 + 10x = 180 + -9
10x = 180 + -9

Combine like terms: 180 + -9 = 171
10x = 171

Divide each side by '10'.
x = 17.1

Simplifying
x = 17.1

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