(7x-9)+(3x+15)=180

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Solution for (7x-9)+(3x+15)=180 equation:


Simplifying
(7x + -9) + (3x + 15) = 180

Reorder the terms:
(-9 + 7x) + (3x + 15) = 180

Remove parenthesis around (-9 + 7x)
-9 + 7x + (3x + 15) = 180

Reorder the terms:
-9 + 7x + (15 + 3x) = 180

Remove parenthesis around (15 + 3x)
-9 + 7x + 15 + 3x = 180

Reorder the terms:
-9 + 15 + 7x + 3x = 180

Combine like terms: -9 + 15 = 6
6 + 7x + 3x = 180

Combine like terms: 7x + 3x = 10x
6 + 10x = 180

Solving
6 + 10x = 180

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 10x = 180 + -6

Combine like terms: 6 + -6 = 0
0 + 10x = 180 + -6
10x = 180 + -6

Combine like terms: 180 + -6 = 174
10x = 174

Divide each side by '10'.
x = 17.4

Simplifying
x = 17.4

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