9*(y-9)=6*(y+2) equation
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The solution
Detail solution
Given the linear equation:
9*(y-9) = 6*(y+2)
Expand brackets in the left part
9*y-9*9 = 6*(y+2)
Expand brackets in the right part
9*y-9*9 = 6*y+6*2
Move free summands (without y)
from left part to right part, we given:
$$9 y = 6 y + 93$$
Move the summands with the unknown y
from the right part to the left part:
$$3 y = 93$$
Divide both parts of the equation by 3
y = 93 / (3)
We get the answer: y = 31
Sum and product of roots
[src]
$$31$$
$$31$$
$$31$$
$$31$$