-.30+a=.40

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Solution for -.30+a=.40 equation:


Simplifying
-0.30 + a = 0.40

Solving
-0.30 + a = 0.40

Solving for variable 'a'.

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

Add '0.30' to each side of the equation.
-0.30 + 0.30 + a = 0.40 + 0.30

Combine like terms: -0.30 + 0.30 = 0.00
0.00 + a = 0.40 + 0.30
a = 0.40 + 0.30

Combine like terms: 0.40 + 0.30 = 0.7
a = 0.7

Simplifying
a = 0.7

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