1/2(100-80x)=-30

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Solution for 1/2(100-80x)=-30 equation: 



1/2(100-80x)=-30

We move all terms to the left:

1/2(100-80x)-(-30)=0



Domain of the equation: 2(100-80x)!=0

x∈R



We add all the numbers together, and all the variables

1/2(-80x+100)-(-30)=0

We add all the numbers together, and all the variables

1/2(-80x+100)+30=0

We multiply all the terms by the denominator


30*2(-80x+100)+1=0

Wy multiply elements

60x(-+1=0

We use the square of the difference formula

60x(-1=0

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