3(-4a+5)+7a=

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Solution for 3(-4a+5)+7a= equation:


Simplifying
3(-4a + 5) + 7a = 0

Reorder the terms:
3(5 + -4a) + 7a = 0
(5 * 3 + -4a * 3) + 7a = 0
(15 + -12a) + 7a = 0

Combine like terms: -12a + 7a = -5a
15 + -5a = 0

Solving
15 + -5a = 0

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 + -5a = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -5a = 0 + -15
-5a = 0 + -15

Combine like terms: 0 + -15 = -15
-5a = -15

Divide each side by '-5'.
a = 3

Simplifying
a = 3

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