3(5-4a)=99

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Solution for 3(5-4a)=99 equation:


Simplifying
3(5 + -4a) = 99
(5 * 3 + -4a * 3) = 99
(15 + -12a) = 99

Solving
15 + -12a = 99

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -12a = 99 + -15

Combine like terms: 15 + -15 = 0
0 + -12a = 99 + -15
-12a = 99 + -15

Combine like terms: 99 + -15 = 84
-12a = 84

Divide each side by '-12'.
a = -7

Simplifying
a = -7

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