180=3a+7a

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Solution for 180=3a+7a equation:


Simplifying
180 = 3a + 7a

Combine like terms: 3a + 7a = 10a
180 = 10a

Solving
180 = 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
180 + -10a = 10a + -10a

Combine like terms: 10a + -10a = 0
180 + -10a = 0

Add '-180' to each side of the equation.
180 + -180 + -10a = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -10a = 0 + -180
-10a = 0 + -180

Combine like terms: 0 + -180 = -180
-10a = -180

Divide each side by '-10'.
a = 18

Simplifying
a = 18

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