(8x+16)+(3x+21)=180

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Solution for (8x+16)+(3x+21)=180 equation: 


Simplifying
(8x + 16) + (3x + 21) = 180

Reorder the terms:
(16 + 8x) + (3x + 21) = 180

Remove parenthesis around (16 + 8x)
16 + 8x + (3x + 21) = 180

Reorder the terms:
16 + 8x + (21 + 3x) = 180

Remove parenthesis around (21 + 3x)
16 + 8x + 21 + 3x = 180

Reorder the terms:
16 + 21 + 8x + 3x = 180

Combine like terms: 16 + 21 = 37
37 + 8x + 3x = 180

Combine like terms: 8x + 3x = 11x
37 + 11x = 180

Solving
37 + 11x = 180

Solving for variable 'x'.

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

Add '-37' to each side of the equation.
37 + -37 + 11x = 180 + -37

Combine like terms: 37 + -37 = 0
0 + 11x = 180 + -37
11x = 180 + -37

Combine like terms: 180 + -37 = 143
11x = 143

Divide each side by '11'.
x = 13

Simplifying
x = 13

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