7a+12=-4a+78

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Solution for 7a+12=-4a+78 equation:


Simplifying
7a + 12 = -4a + 78

Reorder the terms:
12 + 7a = -4a + 78

Reorder the terms:
12 + 7a = 78 + -4a

Solving
12 + 7a = 78 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
12 + 7a + 4a = 78 + -4a + 4a

Combine like terms: 7a + 4a = 11a
12 + 11a = 78 + -4a + 4a

Combine like terms: -4a + 4a = 0
12 + 11a = 78 + 0
12 + 11a = 78

Add '-12' to each side of the equation.
12 + -12 + 11a = 78 + -12

Combine like terms: 12 + -12 = 0
0 + 11a = 78 + -12
11a = 78 + -12

Combine like terms: 78 + -12 = 66
11a = 66

Divide each side by '11'.
a = 6

Simplifying
a = 6

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