(13x+45)+(12x-40)=180

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Solution for (13x+45)+(12x-40)=180 equation:


Simplifying
(13x + 45) + (12x + -40) = 180

Reorder the terms:
(45 + 13x) + (12x + -40) = 180

Remove parenthesis around (45 + 13x)
45 + 13x + (12x + -40) = 180

Reorder the terms:
45 + 13x + (-40 + 12x) = 180

Remove parenthesis around (-40 + 12x)
45 + 13x + -40 + 12x = 180

Reorder the terms:
45 + -40 + 13x + 12x = 180

Combine like terms: 45 + -40 = 5
5 + 13x + 12x = 180

Combine like terms: 13x + 12x = 25x
5 + 25x = 180

Solving
5 + 25x = 180

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 25x = 180 + -5

Combine like terms: 5 + -5 = 0
0 + 25x = 180 + -5
25x = 180 + -5

Combine like terms: 180 + -5 = 175
25x = 175

Divide each side by '25'.
x = 7

Simplifying
x = 7

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