(x+16)+(7x-20)=180

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Solution for (x+16)+(7x-20)=180 equation: 


Simplifying
(x + 16) + (7x + -20) = 180

Reorder the terms:
(16 + x) + (7x + -20) = 180

Remove parenthesis around (16 + x)
16 + x + (7x + -20) = 180

Reorder the terms:
16 + x + (-20 + 7x) = 180

Remove parenthesis around (-20 + 7x)
16 + x + -20 + 7x = 180

Reorder the terms:
16 + -20 + x + 7x = 180

Combine like terms: 16 + -20 = -4
-4 + x + 7x = 180

Combine like terms: x + 7x = 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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