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Oksanka [162]
3 years ago
13

How do i solve 5y - 10 = -25?

Mathematics
2 answers:
viva [34]3 years ago
8 0
So to find the answer you want to isolate the y. So the first thing you want to do is to move everything to the opposite side of the = sign. You start by adding 10 to both sides.
10+ 5y -10 = -25 +10  
 5y = -15.
the tens cancel out on the left side and on the right you get left with -15/
Since y is being multiplied by 5 you always want to do the opposite so you divide by 5.
5y/5 = -15/5
y = -3
It's hard to explain but you just have to remember that what you do to one side you must do to the other to keep the equation balanced.

Archy [21]3 years ago
7 0
5y - 10 = -25

First, add 10 to both sides. / Your problem should look like: 5y = -25 + 10
Second, simplify -25 + 10 to get -15. / Your problem should look like: 5y = -15
Third, divide both sides by 5. / Your problem should look like: y = -\frac{15}{5}
Fourth, simplify \frac{15}{5} to 3. / Your problem should look like: y = -3

Answer: y = -3

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