12=-3-5a

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Solution for 12=-3-5a equation:


Simplifying
12 = -3 + -5a

Solving
12 = -3 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
12 + 5a = -3 + -5a + 5a

Combine like terms: -5a + 5a = 0
12 + 5a = -3 + 0
12 + 5a = -3

Add '-12' to each side of the equation.
12 + -12 + 5a = -3 + -12

Combine like terms: 12 + -12 = 0
0 + 5a = -3 + -12
5a = -3 + -12

Combine like terms: -3 + -12 = -15
5a = -15

Divide each side by '5'.
a = -3

Simplifying
a = -3

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