x(.9)+7=57

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Solution for x(.9)+7=57 equation: 



x(.9)+7=57

We move all terms to the left:

x(.9)+7-(57)=0

We add all the numbers together, and all the variables

x(0.9)+7-57=0

We add all the numbers together, and all the variables

x(0.9)-50=0

We multiply parentheses

0.9x-50=0

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

0.9x=50

x=50/0.9

x=55+0.5/0.9

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