5.40=2.23+.69+.31x

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Solution for 5.40=2.23+.69+.31x equation:



5.40=2.23+.69+.31x
We move all terms to the left:
5.40-(2.23+.69+.31x)=0
We add all the numbers together, and all the variables
-(.31x+2.92)+5.40=0
We add all the numbers together, and all the variables
-(.31x+2.92)+5.4=0
We get rid of parentheses
-.31x-2.92+5.4=0
We add all the numbers together, and all the variables
-0.31x+2.48=0
We move all terms containing x to the left, all other terms to the right
-0.31x=-2.48
x=-2.48/-0.31
x=+8

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