-4(1.75+x)=21

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Solution for -4(1.75+x)=21 equation: 



-4(1.75+x)=21

We move all terms to the left:

-4(1.75+x)-(21)=0

We add all the numbers together, and all the variables

-4(x+1.75)-21=0

We multiply parentheses

-4x-7-21=0

We add all the numbers together, and all the variables

-4x-28=0

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

-4x=28

x=28/-4

x=-7

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