5a+12=7a-6

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Solution for 5a+12=7a-6 equation:


Simplifying
5a + 12 = 7a + -6

Reorder the terms:
12 + 5a = 7a + -6

Reorder the terms:
12 + 5a = -6 + 7a

Solving
12 + 5a = -6 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
12 + 5a + -7a = -6 + 7a + -7a

Combine like terms: 5a + -7a = -2a
12 + -2a = -6 + 7a + -7a

Combine like terms: 7a + -7a = 0
12 + -2a = -6 + 0
12 + -2a = -6

Add '-12' to each side of the equation.
12 + -12 + -2a = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -2a = -6 + -12
-2a = -6 + -12

Combine like terms: -6 + -12 = -18
-2a = -18

Divide each side by '-2'.
a = 9

Simplifying
a = 9

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