20-4y=-7-y+18

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Solution for 20-4y=-7-y+18 equation:



20-4y=-7-y+18
We move all terms to the left:
20-4y-(-7-y+18)=0
We add all the numbers together, and all the variables
-4y-(-1y+11)+20=0
We get rid of parentheses
-4y+1y-11+20=0
We add all the numbers together, and all the variables
-3y+9=0
We move all terms containing y to the left, all other terms to the right
-3y=-9
y=-9/-3
y=+3

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