(12x-25)+(13x-55)=180

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Solution for (12x-25)+(13x-55)=180 equation:


Simplifying
(12x + -25) + (13x + -55) = 180

Reorder the terms:
(-25 + 12x) + (13x + -55) = 180

Remove parenthesis around (-25 + 12x)
-25 + 12x + (13x + -55) = 180

Reorder the terms:
-25 + 12x + (-55 + 13x) = 180

Remove parenthesis around (-55 + 13x)
-25 + 12x + -55 + 13x = 180

Reorder the terms:
-25 + -55 + 12x + 13x = 180

Combine like terms: -25 + -55 = -80
-80 + 12x + 13x = 180

Combine like terms: 12x + 13x = 25x
-80 + 25x = 180

Solving
-80 + 25x = 180

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + 25x = 180 + 80

Combine like terms: -80 + 80 = 0
0 + 25x = 180 + 80
25x = 180 + 80

Combine like terms: 180 + 80 = 260
25x = 260

Divide each side by '25'.
x = 10.4

Simplifying
x = 10.4

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