10y+9-7y-7=7y-9-8y+7

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Solution for 10y+9-7y-7=7y-9-8y+7 equation:



10y+9-7y-7=7y-9-8y+7
We move all terms to the left:
10y+9-7y-7-(7y-9-8y+7)=0
We add all the numbers together, and all the variables
10y-7y-(-1y-2)+9-7=0
We add all the numbers together, and all the variables
3y-(-1y-2)+2=0
We get rid of parentheses
3y+1y+2+2=0
We add all the numbers together, and all the variables
4y+4=0
We move all terms containing y to the left, all other terms to the right
4y=-4
y=-4/4
y=-1

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