12+4b+7a-8=

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


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

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

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

Solving
4 + 7a + 4b = 0

Solving for variable 'a'.

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

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

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

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

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

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

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

Divide each side by '7'.
a = -0.5714285714 + -0.5714285714b

Simplifying
a = -0.5714285714 + -0.5714285714b

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