180=6a+2a-20

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Solution for 180=6a+2a-20 equation:


Simplifying
180 = 6a + 2a + -20

Reorder the terms:
180 = -20 + 6a + 2a

Combine like terms: 6a + 2a = 8a
180 = -20 + 8a

Solving
180 = -20 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
180 + -8a = -20 + 8a + -8a

Combine like terms: 8a + -8a = 0
180 + -8a = -20 + 0
180 + -8a = -20

Add '-180' to each side of the equation.
180 + -180 + -8a = -20 + -180

Combine like terms: 180 + -180 = 0
0 + -8a = -20 + -180
-8a = -20 + -180

Combine like terms: -20 + -180 = -200
-8a = -200

Divide each side by '-8'.
a = 25

Simplifying
a = 25

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