(15x-7)+(7x-3)+(7x-13)=180

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Solution for (15x-7)+(7x-3)+(7x-13)=180 equation:


Simplifying
(15x + -7) + (7x + -3) + (7x + -13) = 180

Reorder the terms:
(-7 + 15x) + (7x + -3) + (7x + -13) = 180

Remove parenthesis around (-7 + 15x)
-7 + 15x + (7x + -3) + (7x + -13) = 180

Reorder the terms:
-7 + 15x + (-3 + 7x) + (7x + -13) = 180

Remove parenthesis around (-3 + 7x)
-7 + 15x + -3 + 7x + (7x + -13) = 180

Reorder the terms:
-7 + 15x + -3 + 7x + (-13 + 7x) = 180

Remove parenthesis around (-13 + 7x)
-7 + 15x + -3 + 7x + -13 + 7x = 180

Reorder the terms:
-7 + -3 + -13 + 15x + 7x + 7x = 180

Combine like terms: -7 + -3 = -10
-10 + -13 + 15x + 7x + 7x = 180

Combine like terms: -10 + -13 = -23
-23 + 15x + 7x + 7x = 180

Combine like terms: 15x + 7x = 22x
-23 + 22x + 7x = 180

Combine like terms: 22x + 7x = 29x
-23 + 29x = 180

Solving
-23 + 29x = 180

Solving for variable 'x'.

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

Add '23' to each side of the equation.
-23 + 23 + 29x = 180 + 23

Combine like terms: -23 + 23 = 0
0 + 29x = 180 + 23
29x = 180 + 23

Combine like terms: 180 + 23 = 203
29x = 203

Divide each side by '29'.
x = 7

Simplifying
x = 7

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