-72-91=15a

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Solution for -72-91=15a equation:


Simplifying
-72 + -91 = 15a

Combine like terms: -72 + -91 = -163
-163 = 15a

Solving
-163 = 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.
-163 + -15a = 15a + -15a

Combine like terms: 15a + -15a = 0
-163 + -15a = 0

Add '163' to each side of the equation.
-163 + 163 + -15a = 0 + 163

Combine like terms: -163 + 163 = 0
0 + -15a = 0 + 163
-15a = 0 + 163

Combine like terms: 0 + 163 = 163
-15a = 163

Divide each side by '-15'.
a = -10.86666667

Simplifying
a = -10.86666667

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