-12=-7a-5a

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


Simplifying
-12 = -7a + -5a

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

Solving
-12 = -12a

Solving for variable 'a'.

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

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

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

Add '12' to each side of the equation.
-12 + 12 + 12a = 0 + 12

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

Combine like terms: 0 + 12 = 12
12a = 12

Divide each side by '12'.
a = 1

Simplifying
a = 1

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