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Mathematics 7 Online
OpenStudy (anonymous):

2x + y = -2 x + y = 5 The x-coordinate of the solution to the system shown is _____. -7 -3 3 7

OpenStudy (ajprincess):

First add the two eqns. Then u get an eqn in terms of x. Solve for x. can u do?

OpenStudy (anonymous):

ok give me a min

OpenStudy (ajprincess):

k. will wait.

OpenStudy (anonymous):

3x+y=3

OpenStudy (anonymous):

2y

OpenStudy (ajprincess):

Am so sorrry. subtract the second eqn frm the first. tell me vat u get?

OpenStudy (anonymous):

x=3

OpenStudy (ajprincess):

no it will be x=-7. chck again.

OpenStudy (anonymous):

haha wow i add on the last part

OpenStudy (ajprincess):

:)

OpenStudy (anonymous):

thx

OpenStudy (ajprincess):

yw

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