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Mathematics 7 Online
OpenStudy (jilltalks):

How do you solve this system? 3x - 4y = -15 4x+ 3y = 55

OpenStudy (jilltalks):

Help!? Please!!!!!!!

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

I'm desperate

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

OpenStudy (jilltalks):

Help

jhonyy9 (jhonyy9):

what method you like using here ?

OpenStudy (jilltalks):

elimination

jhonyy9 (jhonyy9):

substitution or elimination ?

jhonyy9 (jhonyy9):

ok so for you can eliminate one term with the same unknowed x or y what you like eliminate ?

OpenStudy (jilltalks):

?

jhonyy9 (jhonyy9):

to eliminate the term of y multiply the first equation by 3 and the second one by 4

jhonyy9 (jhonyy9):

both sides

OpenStudy (jilltalks):

I did and i solved for x. I got x= -10

OpenStudy (jilltalks):

i mean y = -10

OpenStudy (jilltalks):

i solved for y not x

OpenStudy (karim728):

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