(15x-4)+(12x-5)=180

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Solution for (15x-4)+(12x-5)=180 equation:


Simplifying
(15x + -4) + (12x + -5) = 180

Reorder the terms:
(-4 + 15x) + (12x + -5) = 180

Remove parenthesis around (-4 + 15x)
-4 + 15x + (12x + -5) = 180

Reorder the terms:
-4 + 15x + (-5 + 12x) = 180

Remove parenthesis around (-5 + 12x)
-4 + 15x + -5 + 12x = 180

Reorder the terms:
-4 + -5 + 15x + 12x = 180

Combine like terms: -4 + -5 = -9
-9 + 15x + 12x = 180

Combine like terms: 15x + 12x = 27x
-9 + 27x = 180

Solving
-9 + 27x = 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 + 27x = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 27x = 180 + 9
27x = 180 + 9

Combine like terms: 180 + 9 = 189
27x = 189

Divide each side by '27'.
x = 7

Simplifying
x = 7

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