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OpenStudy (anonymous):
When using the substitution method, what expression for x in the first equation would be substituted in the second equation? x + 3y = –7 2x + 4y = –4
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OpenStudy (anonymous):
x = -7-3y
OpenStudy (amistre64):
how do you solve for x in the first equation?
OpenStudy (anonymous):
you have to subtract it from both sides
OpenStudy (anonymous):
Subtract what?
OpenStudy (anonymous):
subtract 3y from both side
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OpenStudy (anonymous):
oh okay. thankyou
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