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OpenStudy (jilltalks):
How do you solve this system? 1/3x +3/4y = 2 4/9x - 1/4y = 3
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OpenStudy (sshayer):
multiply second eq by 3 and add
OpenStudy (jilltalks):
??????
OpenStudy (sshayer):
\[3*\frac{ 4 }{ 9 }x-3*\frac{ 1 }{ 4 }y=3*3\] \[\frac{ 4 }{ 3 }x-\frac{ 3 }{ 4 }y=9\] now add eq. (1)
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