O.5x+3.5=0.4x+4

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Solution for O.5x+3.5=0.4x+4 equation:



.5O+3.5=0.4O+4
We move all terms to the left:
.5O+3.5-(0.4O+4)=0
We get rid of parentheses
.5O-0.4O-4+3.5=0
We add all the numbers together, and all the variables
0.1O-0.5=0
We move all terms containing O to the left, all other terms to the right
0.1O=0.5
O=0.5/0.1
O=5

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