180=2a+a+(a-10)

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Solution for 180=2a+a+(a-10) equation:


Simplifying
180 = 2a + a + (a + -10)

Reorder the terms:
180 = 2a + a + (-10 + a)

Remove parenthesis around (-10 + a)
180 = 2a + a + -10 + a

Reorder the terms:
180 = -10 + 2a + a + a

Combine like terms: 2a + a = 3a
180 = -10 + 3a + a

Combine like terms: 3a + a = 4a
180 = -10 + 4a

Solving
180 = -10 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
180 + -4a = -10 + 4a + -4a

Combine like terms: 4a + -4a = 0
180 + -4a = -10 + 0
180 + -4a = -10

Add '-180' to each side of the equation.
180 + -180 + -4a = -10 + -180

Combine like terms: 180 + -180 = 0
0 + -4a = -10 + -180
-4a = -10 + -180

Combine like terms: -10 + -180 = -190
-4a = -190

Divide each side by '-4'.
a = 47.5

Simplifying
a = 47.5

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