A/2-7=-3 - solution

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Solution for A/2-7=-3 equation:

A in (-oo:+oo)

A/2-7 = -3 // + 3

A/2-7+3 = 0

1/2*A-4 = 0 // + 4

1/2*A = 4 // : 1/2

A = 4/1/2

A = 8

A = 8

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