7+1/2z=-13

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Solution for 7+1/2z=-13 equation: 



7+1/2z=-13

We move all terms to the left:

7+1/2z-(-13)=0



Domain of the equation: 2z!=0

z!=0/2

z!=0

z∈R



We add all the numbers together, and all the variables

1/2z+20=0

We multiply all the terms by the denominator


20*2z+1=0

Wy multiply elements

40z+1=0

We move all terms containing z to the left, all other terms to the right

40z=-1

z=-1/40

z=-1/40

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