8a+7+5a-12=

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Solution for 8a+7+5a-12= equation:


Simplifying
8a + 7 + 5a + -12 = 0

Reorder the terms:
7 + -12 + 8a + 5a = 0

Combine like terms: 7 + -12 = -5
-5 + 8a + 5a = 0

Combine like terms: 8a + 5a = 13a
-5 + 13a = 0

Solving
-5 + 13a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 13a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 13a = 0 + 5
13a = 0 + 5

Combine like terms: 0 + 5 = 5
13a = 5

Divide each side by '13'.
a = 0.3846153846

Simplifying
a = 0.3846153846

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