7.5=3.x-1

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Solution for 7.5=3.x-1 equation: 



7.5=3.x-1

We move all terms to the left:

7.5-(3.x-1)=0

We get rid of parentheses

-3.x+1+7.5=0

We add all the numbers together, and all the variables

-3x+8.5=0

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

-3x=-8.5

x=-8.5/-3

x=2+2.5/3

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