12-2a=12-7a

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Solution for 12-2a=12-7a equation:


Simplifying
12 + -2a = 12 + -7a

Add '-12' to each side of the equation.
12 + -12 + -2a = 12 + -12 + -7a

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

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

Solving
-2a = -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.
-2a + 7a = -7a + 7a

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

Combine like terms: -7a + 7a = 0
5a = 0

Divide each side by '5'.
a = 0

Simplifying
a = 0

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