7.5+x=-2/5

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Solution for 7.5+x=-2/5 equation: 



7.5+x=-2/5

We move all terms to the left:

7.5+x-(-2/5)=0

We get rid of parentheses

x+7.5+2/5=0

We multiply all the terms by the denominator


x*5+2+(7.5)*5=0

We add all the numbers together, and all the variables

x*5+39.5=0

Wy multiply elements

5x+39.5=0

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

5x=-39.5

x=-39.5/5

x=-7+3/3.33333333333

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