-3-2a=7

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Solution for -3-2a=7 equation:


Simplifying
-3 + -2a = 7

Solving
-3 + -2a = 7

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 = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -2a = 7 + 3
-2a = 7 + 3

Combine like terms: 7 + 3 = 10
-2a = 10

Divide each side by '-2'.
a = -5

Simplifying
a = -5

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