-a+7=-11

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Solution for -a+7=-11 equation: 


Simplifying
-1a + 7 = -11

Reorder the terms:
7 + -1a = -11

Solving
7 + -1a = -11

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 + -1a = -11 + -7

Combine like terms: 7 + -7 = 0
0 + -1a = -11 + -7
-1a = -11 + -7

Combine like terms: -11 + -7 = -18
-1a = -18

Divide each side by '-1'.
a = 18

Simplifying
a = 18

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