2a-3=-7

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Solution for 2a-3=-7 equation: 


Simplifying
2a + -3 = -7

Reorder the terms:
-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 = -4
2a = -4

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

Simplifying
a = -2

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