30y+(490-y)*75=30450

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Solution for 30y+(490-y)*75=30450 equation: 



30y+(490-y)*75=30450

We move all terms to the left:

30y+(490-y)*75-(30450)=0

We add all the numbers together, and all the variables

30y+(-1y+490)*75-30450=0

We multiply parentheses

30y-75y+36750-30450=0

We add all the numbers together, and all the variables

-45y+6300=0

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

-45y=-6300

y=-6300/-45

y=+140

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