-2-2a=-7-a

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Solution for -2-2a=-7-a equation:


Simplifying
-2 + -2a = -7 + -1a

Solving
-2 + -2a = -7 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-2 + -2a + a = -7 + -1a + a

Combine like terms: -2a + a = -1a
-2 + -1a = -7 + -1a + a

Combine like terms: -1a + a = 0
-2 + -1a = -7 + 0
-2 + -1a = -7

Add '2' to each side of the equation.
-2 + 2 + -1a = -7 + 2

Combine like terms: -2 + 2 = 0
0 + -1a = -7 + 2
-1a = -7 + 2

Combine like terms: -7 + 2 = -5
-1a = -5

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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