(5x-129)+(2x-21)=180

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Solution for (5x-129)+(2x-21)=180 equation:


Simplifying
(5x + -129) + (2x + -21) = 180

Reorder the terms:
(-129 + 5x) + (2x + -21) = 180

Remove parenthesis around (-129 + 5x)
-129 + 5x + (2x + -21) = 180

Reorder the terms:
-129 + 5x + (-21 + 2x) = 180

Remove parenthesis around (-21 + 2x)
-129 + 5x + -21 + 2x = 180

Reorder the terms:
-129 + -21 + 5x + 2x = 180

Combine like terms: -129 + -21 = -150
-150 + 5x + 2x = 180

Combine like terms: 5x + 2x = 7x
-150 + 7x = 180

Solving
-150 + 7x = 180

Solving for variable 'x'.

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

Add '150' to each side of the equation.
-150 + 150 + 7x = 180 + 150

Combine like terms: -150 + 150 = 0
0 + 7x = 180 + 150
7x = 180 + 150

Combine like terms: 180 + 150 = 330
7x = 330

Divide each side by '7'.
x = 47.14285714

Simplifying
x = 47.14285714

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