x(-4)=30

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Solution for x(-4)=30 equation: 



x(-4)=30

We move all terms to the left:

x(-4)-(30)=0

We multiply parentheses

-4x-30=0

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

-4x=30

x=30/-4

x=-7+1/2

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