-18=-A+7a

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Solution for -18=-A+7a equation:


Simplifying
-18 = -1A + 7a

Solving
-18 = -1A + 7a

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.
-18 + A = -1A + A + 7a

Combine like terms: -1A + A = 0
-18 + A = 0 + 7a
-18 + A = 7a

Add '18' to each side of the equation.
-18 + 18 + A = 18 + 7a

Combine like terms: -18 + 18 = 0
0 + A = 18 + 7a
A = 18 + 7a

Simplifying
A = 18 + 7a

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