-4.2=1.8-2y

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Solution for -4.2=1.8-2y equation:



-4.2=1.8-2y
We move all terms to the left:
-4.2-(1.8-2y)=0
We add all the numbers together, and all the variables
-(-2y+1.8)-4.2=0
We get rid of parentheses
2y-1.8-4.2=0
We add all the numbers together, and all the variables
2y-6=0
We move all terms containing y to the left, all other terms to the right
2y=6
y=6/2
y=3

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