90(.80)+x(.20)=76

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Solution for 90(.80)+x(.20)=76 equation: 



90(.80)+x(.20)=76

We move all terms to the left:

90(.80)+x(.20)-(76)=0

determiningTheFunctionDomain
x(.20)-76+90(.80)=0

We add all the numbers together, and all the variables

x(0.2)-76+90(0.8)=0

We add all the numbers together, and all the variables

x(0.2)-4=0

We multiply parentheses

0.2x-4=0

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

0.2x=4

x=4/0.2

x=20

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