Question

Can someone help me with this??
solve for y: (y-8)-(y+9) = 2y

Answer 1

open the brackets first..

Answer 2

ok
y-8-y+9=2y

Answer 3

??

Answer 4

look negative sign outside bracket means you have to change all the signs like
y-8-y-9=2y

Answer 5

oh ok, now do I combine like terms?

Answer 6

yes now combine like terms...

Answer 7

y=-17

Answer 8

is that correct?

Answer 9

no..

Answer 10

let me solve this...

Answer 11

ok

Answer 12

y-8-y-9=2y
y-y -8 -9 = 2y
-17 = 2y
divide both Sides by "2"
-17/2 = 2y/2
-17/2 = y

Answer 13

@WhyteMonks got it now..??

Answer 14

oh ok.. thanks

Answer 15

no problem... :)