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Mathematics 9 Online
OpenStudy (anonymous):

please help me

OpenStudy (anonymous):

OpenStudy (anonymous):

i know the first one is 8

OpenStudy (anonymous):

@ganeshie8

ganeshie8 (ganeshie8):

to find second one :- 3 = (2x - 7)/3 solve x

OpenStudy (anonymous):

is that the inverse?

ganeshie8 (ganeshie8):

yes !

OpenStudy (anonymous):

:D ok first multiply by 3 both to both sides right

ganeshie8 (ganeshie8):

yes

OpenStudy (anonymous):

9 = (2x - 7)

OpenStudy (anonymous):

add 7 makes it 16 = 2x.

OpenStudy (anonymous):

so x = 8!

ganeshie8 (ganeshie8):

yes !

OpenStudy (anonymous):

:DDDD

OpenStudy (anonymous):

and for the last?

ganeshie8 (ganeshie8):

solve the equation :)

OpenStudy (anonymous):

i don't know how :/

ganeshie8 (ganeshie8):

2y+14 = 4y-2

ganeshie8 (ganeshie8):

solve y

ganeshie8 (ganeshie8):

2y+14 = 4y-2 start by subtracting 2y both sides : 14 = 2y -2

OpenStudy (anonymous):

oh. thats easy :) y = 8 again

ganeshie8 (ganeshie8):

yes ! so all 3 statements have same solution !

OpenStudy (anonymous):

hooray thank you!!

ganeshie8 (ganeshie8):

u wlc :) good work !!

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