(13x+9)+(15x-1)=180

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Solution for (13x+9)+(15x-1)=180 equation:


Simplifying
(13x + 9) + (15x + -1) = 180

Reorder the terms:
(9 + 13x) + (15x + -1) = 180

Remove parenthesis around (9 + 13x)
9 + 13x + (15x + -1) = 180

Reorder the terms:
9 + 13x + (-1 + 15x) = 180

Remove parenthesis around (-1 + 15x)
9 + 13x + -1 + 15x = 180

Reorder the terms:
9 + -1 + 13x + 15x = 180

Combine like terms: 9 + -1 = 8
8 + 13x + 15x = 180

Combine like terms: 13x + 15x = 28x
8 + 28x = 180

Solving
8 + 28x = 180

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 28x = 180 + -8

Combine like terms: 8 + -8 = 0
0 + 28x = 180 + -8
28x = 180 + -8

Combine like terms: 180 + -8 = 172
28x = 172

Divide each side by '28'.
x = 6.142857143

Simplifying
x = 6.142857143

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