Question

4 l 2y - 7 l + 5 = 9

Answer 1

\[4 | \; 2y - 7 \; | + 5 = 9\]
subtract 5 from both sides
\[4 | \; 2y - 7 \; | = 4\]
divide both sides by 4
\[| \; 2y - 7 \; | = 1\]
now solve for y in:
\[2y - 7 = 1\]
AND
\[2y - 7 = -1\]

does that help?

Answer 2

So the answer is 1 and also -1?

Answer 3

no. solve for y

Answer 4

what's y in 2y - 7 = 1?

Answer 5

Oh sorry okay so is the answer 7/2 and 3?

Answer 6

4

Answer 7

no...

2y - 7 = 1

solve for y

what do you get?

Answer 8

yes 4

Answer 9

now..

2y - 7 = -1

solve for y

what do you get?

Answer 10

3

Answer 11

so y = 4 and y = 3

Answer 12

^that's the answer

Answer 13

Oh okay thank you!

Answer 14

welcome