-3+2a=30

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Solution for -3+2a=30 equation: 


Simplifying
-3 + 2a = 30

Solving
-3 + 2a = 30

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 2a = 30 + 3

Combine like terms: -3 + 3 = 0
0 + 2a = 30 + 3
2a = 30 + 3

Combine like terms: 30 + 3 = 33
2a = 33

Divide each side by '2'.
a = 16.5

Simplifying
a = 16.5

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