12a-8a-7=

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


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

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

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

Solving
-7 + 4a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 4a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 4a = 0 + 7
4a = 0 + 7

Combine like terms: 0 + 7 = 7
4a = 7

Divide each side by '4'.
a = 1.75

Simplifying
a = 1.75

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