45=-x/2 - solution

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Solution for 45=-x/2 equation:

x in (-oo:+oo)

45 = -x/2 // + -x/2

45-(-x/2) = 0

(1/2)*x+45 = 0

1/2*x+45 = 0 // - 45

1/2*x = -45 // : 1/2

x = -45/1/2

x = -90

x = -90

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