12a+7b+4a+2b-8=

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Solution for 12a+7b+4a+2b-8= equation:


Simplifying
12a + 7b + 4a + 2b + -8 = 0

Reorder the terms:
-8 + 12a + 4a + 7b + 2b = 0

Combine like terms: 12a + 4a = 16a
-8 + 16a + 7b + 2b = 0

Combine like terms: 7b + 2b = 9b
-8 + 16a + 9b = 0

Solving
-8 + 16a + 9b = 0

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 16a + 8 + 9b = 0 + 8

Reorder the terms:
-8 + 8 + 16a + 9b = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 16a + 9b = 0 + 8
16a + 9b = 0 + 8

Combine like terms: 0 + 8 = 8
16a + 9b = 8

Add '-9b' to each side of the equation.
16a + 9b + -9b = 8 + -9b

Combine like terms: 9b + -9b = 0
16a + 0 = 8 + -9b
16a = 8 + -9b

Divide each side by '16'.
a = 0.5 + -0.5625b

Simplifying
a = 0.5 + -0.5625b

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