4-2z/4=-2

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Solution for 4-2z/4=-2 equation: 


z in (-oo:+oo)

4-((2*z)/4) = -2 // + 2

2-((2*z)/4)+4 = 0

(-1/2)*z+2+4 = 0

6-1/2*z = 0 // - 6

-1/2*z = -6 // : -1/2

z = -6/(-1/2)

z = 12

z = 12

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