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Mathematics 7 Online
OpenStudy (anonymous):

Substitution Method? Help ASAP! Medal and fan!

OpenStudy (anonymous):

what's the question

OpenStudy (anonymous):

What is the solution to the system of equations? x+y=5 and x-2y=2

OpenStudy (anonymous):

ok give me a sec

OpenStudy (anonymous):

k

OpenStudy (anonymous):

help please

OpenStudy (anonymous):

sorry im unsure how to do this one im only good at elimination but im trying

OpenStudy (anonymous):

okay take your time

OpenStudy (anonymous):

x+y=5 y=x+5 x-2y=2 x+2(x+5)=2 x+2x+10=2 3x+10=2 3x=-12 X=-4

OpenStudy (anonymous):

sorry it was supposed to be y=x+5 so I changed it that's the answer I got

OpenStudy (anonymous):

I have more questions. Can you help me with them?

OpenStudy (anonymous):

Whats the value of y? x=-4 but what is y?

OpenStudy (anonymous):

y would be zero

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