-12=2+5a+2a

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Solution for -12=2+5a+2a equation:


Simplifying
-12 = 2 + 5a + 2a

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

Solving
-12 = 2 + 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 + -7a = 2 + 7a + -7a

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

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

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

Combine like terms: 2 + 12 = 14
-7a = 14

Divide each side by '-7'.
a = -2

Simplifying
a = -2

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