(15x-3)+(6x+15)=180

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Solution for (15x-3)+(6x+15)=180 equation:


Simplifying
(15x + -3) + (6x + 15) = 180

Reorder the terms:
(-3 + 15x) + (6x + 15) = 180

Remove parenthesis around (-3 + 15x)
-3 + 15x + (6x + 15) = 180

Reorder the terms:
-3 + 15x + (15 + 6x) = 180

Remove parenthesis around (15 + 6x)
-3 + 15x + 15 + 6x = 180

Reorder the terms:
-3 + 15 + 15x + 6x = 180

Combine like terms: -3 + 15 = 12
12 + 15x + 6x = 180

Combine like terms: 15x + 6x = 21x
12 + 21x = 180

Solving
12 + 21x = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 21x = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 21x = 180 + -12
21x = 180 + -12

Combine like terms: 180 + -12 = 168
21x = 168

Divide each side by '21'.
x = 8

Simplifying
x = 8

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