(3x+17)+(5x-21)=180

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Solution for (3x+17)+(5x-21)=180 equation:


Simplifying
(3x + 17) + (5x + -21) = 180

Reorder the terms:
(17 + 3x) + (5x + -21) = 180

Remove parenthesis around (17 + 3x)
17 + 3x + (5x + -21) = 180

Reorder the terms:
17 + 3x + (-21 + 5x) = 180

Remove parenthesis around (-21 + 5x)
17 + 3x + -21 + 5x = 180

Reorder the terms:
17 + -21 + 3x + 5x = 180

Combine like terms: 17 + -21 = -4
-4 + 3x + 5x = 180

Combine like terms: 3x + 5x = 8x
-4 + 8x = 180

Solving
-4 + 8x = 180

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 8x = 180 + 4

Combine like terms: -4 + 4 = 0
0 + 8x = 180 + 4
8x = 180 + 4

Combine like terms: 180 + 4 = 184
8x = 184

Divide each side by '8'.
x = 23

Simplifying
x = 23

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