40+5a=12

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Solution for 40+5a=12 equation: 


Simplifying
40 + 5a = 12

Solving
40 + 5a = 12

Solving for variable 'a'.

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

Add '-40' to each side of the equation.
40 + -40 + 5a = 12 + -40

Combine like terms: 40 + -40 = 0
0 + 5a = 12 + -40
5a = 12 + -40

Combine like terms: 12 + -40 = -28
5a = -28

Divide each side by '5'.
a = -5.6

Simplifying
a = -5.6

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