15+z/2=-8 - solution

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Solution for 15+z/2=-8 equation:

z in (-oo:+oo)

z/2+15 = -8 // + 8

z/2+8+15 = 0

1/2*z+23 = 0 // - 23

1/2*z = -23 // : 1/2

z = -23/1/2

z = -46

z = -46

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