(2x/5)-1=7

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Solution for (2x/5)-1=7 equation: 



(2x/5)-1=7

We move all terms to the left:

(2x/5)-1-(7)=0

We add all the numbers together, and all the variables

(+2x/5)-1-7=0

We add all the numbers together, and all the variables

(+2x/5)-8=0

We get rid of parentheses

2x/5-8=0

We multiply all the terms by the denominator


2x-8*5=0

We add all the numbers together, and all the variables

2x-40=0

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

2x=40

x=40/2

x=20

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