0.9(x+50)+0.3x=81

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Solution for 0.9(x+50)+0.3x=81 equation: 



0.9(x+50)+0.3x=81

We move all terms to the left:

0.9(x+50)+0.3x-(81)=0

We add all the numbers together, and all the variables

0.3x+0.9(x+50)-81=0

We multiply parentheses

0.3x+0.9x+45-81=0

We add all the numbers together, and all the variables

1.2x-36=0

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

1.2x=36

x=36/1.2

x=30

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