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OpenStudy (anonymous):
Can someone please help me? I'm horrible at math ! 2x + y = 11 3y - 4y = 11 you have to solve the problem using substitution. please help.
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OpenStudy (anonymous):
3y - 4y= -y
OpenStudy (anonymous):
canu tell me wat is -4y+3y
OpenStudy (anonymous):
yes thank you
OpenStudy (anonymous):
Solve 2x + y = 11 for y. y = 11 - 2 x Replace each y in the second equation with 11 - 2 x and solve the result for x. Can you take it from here ?
OpenStudy (anonymous):
it would be 33/7
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OpenStudy (wolf1728):
y = 11-2x 3y - 4y = 11 3•(11-2x) -4•(11-2x) = 11 Does that help?
OpenStudy (wolf1728):
33 -6x -44 +8x = 11 -11 + 2x = 11 2x = 22 x = 11 y=-11
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