12+7a=6-a

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Solution for 12+7a=6-a equation:


Simplifying
12 + 7a = 6 + -1a

Solving
12 + 7a = 6 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
12 + 7a + a = 6 + -1a + a

Combine like terms: 7a + a = 8a
12 + 8a = 6 + -1a + a

Combine like terms: -1a + a = 0
12 + 8a = 6 + 0
12 + 8a = 6

Add '-12' to each side of the equation.
12 + -12 + 8a = 6 + -12

Combine like terms: 12 + -12 = 0
0 + 8a = 6 + -12
8a = 6 + -12

Combine like terms: 6 + -12 = -6
8a = -6

Divide each side by '8'.
a = -0.75

Simplifying
a = -0.75

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