Question

Question 18

Is 21, 22, or 23 the solution of the equation 29.7 = y + 7.7?
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Answer 1

It’s 22.
Explanation:
You want to get y by itself so therefore you would do 29.7 - 7.7 which is 22.
The reason you subtract the 7.7 from the 29.7 is because it was positive next to the y so you have to change it when moving it to the other side of the equal sign.
Hope this helped!