-2a+7=-23

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Solution for -2a+7=-23 equation: 


Simplifying
-2a + 7 = -23

Reorder the terms:
7 + -2a = -23

Solving
7 + -2a = -23

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + -2a = -23 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = -23 + -7
-2a = -23 + -7

Combine like terms: -23 + -7 = -30
-2a = -30

Divide each side by '-2'.
a = 15

Simplifying
a = 15

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