-72-9a=15a

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Solution for -72-9a=15a equation:


Simplifying
-72 + -9a = 15a

Solving
-72 + -9a = 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
-72 + -9a + -15a = 15a + -15a

Combine like terms: -9a + -15a = -24a
-72 + -24a = 15a + -15a

Combine like terms: 15a + -15a = 0
-72 + -24a = 0

Add '72' to each side of the equation.
-72 + 72 + -24a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + -24a = 0 + 72
-24a = 0 + 72

Combine like terms: 0 + 72 = 72
-24a = 72

Divide each side by '-24'.
a = -3

Simplifying
a = -3

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