4.2=1.7-0.4y

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Solution for 4.2=1.7-0.4y equation:



4.2=1.7-0.4y
We move all terms to the left:
4.2-(1.7-0.4y)=0
We add all the numbers together, and all the variables
-(-0.4y+1.7)+4.2=0
We get rid of parentheses
0.4y-1.7+4.2=0
We add all the numbers together, and all the variables
0.4y+2.5=0
We move all terms containing y to the left, all other terms to the right
0.4y=-2.5
y=-2.5/0.4
y=-6+0.1/0.4

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