-129.5=15a-11

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Solution for -129.5=15a-11 equation:


Simplifying
-129.5 = 15a + -11

Reorder the terms:
-129.5 = -11 + 15a

Solving
-129.5 = -11 + 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.
-129.5 + -15a = -11 + 15a + -15a

Combine like terms: 15a + -15a = 0
-129.5 + -15a = -11 + 0
-129.5 + -15a = -11

Add '129.5' to each side of the equation.
-129.5 + 129.5 + -15a = -11 + 129.5

Combine like terms: -129.5 + 129.5 = 0.0
0.0 + -15a = -11 + 129.5
-15a = -11 + 129.5

Combine like terms: -11 + 129.5 = 118.5
-15a = 118.5

Divide each side by '-15'.
a = -7.9

Simplifying
a = -7.9

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