(x+21)+(6x-1)=180

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Solution for (x+21)+(6x-1)=180 equation:


Simplifying
(x + 21) + (6x + -1) = 180

Reorder the terms:
(21 + x) + (6x + -1) = 180

Remove parenthesis around (21 + x)
21 + x + (6x + -1) = 180

Reorder the terms:
21 + x + (-1 + 6x) = 180

Remove parenthesis around (-1 + 6x)
21 + x + -1 + 6x = 180

Reorder the terms:
21 + -1 + x + 6x = 180

Combine like terms: 21 + -1 = 20
20 + x + 6x = 180

Combine like terms: x + 6x = 7x
20 + 7x = 180

Solving
20 + 7x = 180

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 7x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 7x = 180 + -20
7x = 180 + -20

Combine like terms: 180 + -20 = 160
7x = 160

Divide each side by '7'.
x = 22.85714286

Simplifying
x = 22.85714286

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