-20+25a=40

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Solution for -20+25a=40 equation: 


Simplifying
-20 + 25a = 40

Solving
-20 + 25a = 40

Solving for variable 'a'.

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

Add '20' to each side of the equation.
-20 + 20 + 25a = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 25a = 40 + 20
25a = 40 + 20

Combine like terms: 40 + 20 = 60
25a = 60

Divide each side by '25'.
a = 2.4

Simplifying
a = 2.4

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