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Mathematics 9 Online
OpenStudy (daniellelovee):

Which expression gives the x-coordinate of the solution of the system? {5x+3y= -18 {2x- 4y= -28

OpenStudy (daniellelovee):

OpenStudy (loser66):

your idea?

OpenStudy (daniellelovee):

B

OpenStudy (loser66):

nope

OpenStudy (daniellelovee):

C?

OpenStudy (daniellelovee):

btw can you explain it to me?

OpenStudy (loser66):

Stop guessing, please. If you don't want to know how to solve, I give you the solution, A

OpenStudy (triciaal):

to solve by elimination/addition method multiply the 1st eqn by 4 and the 2nd by 3 and the 2 "new" eqns and solve for x

OpenStudy (daniellelovee):

thank you! :)

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