0.7x+(0.95)(90-x)=(0.75)(90)

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Solution for 0.7x+(0.95)(90-x)=(0.75)(90) equation: 



0.7x+(0.95)(90-x)=(0.75)(90)

We move all terms to the left:

0.7x+(0.95)(90-x)-((0.75)(90))=0

We add all the numbers together, and all the variables

0.7x+(0.95)(-1x+90)-((0.75)90)=0

We add all the numbers together, and all the variables

0.7x+(0.95)(-1x+90)-67.5=0

We multiply parentheses ..

0.7x+(-0.95x+85.5)-67.5=0

We get rid of parentheses

0.7x-0.95x+85.5-67.5=0

We add all the numbers together, and all the variables

-0.25x+18=0

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

-0.25x=-18

x=-18/-0.25

x=+72

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