30-2a=10

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Solution for 30-2a=10 equation:


Simplifying
30 + -2a = 10

Solving
30 + -2a = 10

Solving for variable 'a'.

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

Add '-30' to each side of the equation.
30 + -30 + -2a = 10 + -30

Combine like terms: 30 + -30 = 0
0 + -2a = 10 + -30
-2a = 10 + -30

Combine like terms: 10 + -30 = -20
-2a = -20

Divide each side by '-2'.
a = 10

Simplifying
a = 10

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