7x=40x+30

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Solution for 7x=40x+30 equation: 



7x=40x+30

We move all terms to the left:

7x-(40x+30)=0

We get rid of parentheses

7x-40x-30=0

We add all the numbers together, and all the variables

-33x-30=0

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

-33x=30

x=30/-33

x=-10/11

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