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18 . How do you solve 18 im confused

18 . How do you solve 18 im confused-example-1
User Vimal
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1 Answer

1 vote

Answer:

(B) 109

Explanation:

3y + 4 = 31

First step is to find y. To find out what y is, we must isolate the variable. We can do this by working backwards.

3y + 4 = 31

Subtract 4 on both sides.

3y = 27

Divide by 3 on both sides

y = 9

Now we know that y = 9, we can plug it into the expression of 'y + 100.'

y + 100 = 9 + 100 = 109

The value of y + 100 is 109.

User Gvmani
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