12a+7=11-3a

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Solution for 12a+7=11-3a equation:


Simplifying
12a + 7 = 11 + -3a

Reorder the terms:
7 + 12a = 11 + -3a

Solving
7 + 12a = 11 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
7 + 12a + 3a = 11 + -3a + 3a

Combine like terms: 12a + 3a = 15a
7 + 15a = 11 + -3a + 3a

Combine like terms: -3a + 3a = 0
7 + 15a = 11 + 0
7 + 15a = 11

Add '-7' to each side of the equation.
7 + -7 + 15a = 11 + -7

Combine like terms: 7 + -7 = 0
0 + 15a = 11 + -7
15a = 11 + -7

Combine like terms: 11 + -7 = 4
15a = 4

Divide each side by '15'.
a = 0.2666666667

Simplifying
a = 0.2666666667

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