9=1+2y

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Solution for 9=1+2y equation:



9=1+2y
We move all terms to the left:
9-(1+2y)=0
We add all the numbers together, and all the variables
-(2y+1)+9=0
We get rid of parentheses
-2y-1+9=0
We add all the numbers together, and all the variables
-2y+8=0
We move all terms containing y to the left, all other terms to the right
-2y=-8
y=-8/-2
y=+4

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