4a+7+3a-8-12a=

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Solution for 4a+7+3a-8-12a= equation:


Simplifying
4a + 7 + 3a + -8 + -12a = 0

Reorder the terms:
7 + -8 + 4a + 3a + -12a = 0

Combine like terms: 7 + -8 = -1
-1 + 4a + 3a + -12a = 0

Combine like terms: 4a + 3a = 7a
-1 + 7a + -12a = 0

Combine like terms: 7a + -12a = -5a
-1 + -5a = 0

Solving
-1 + -5a = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + -5a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -5a = 0 + 1
-5a = 0 + 1

Combine like terms: 0 + 1 = 1
-5a = 1

Divide each side by '-5'.
a = -0.2

Simplifying
a = -0.2

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