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OpenStudy (anonymous):
If 9x-8y=4 and 2x-3y=-4, then what is the value of x?
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OpenStudy (tkhunny):
Multiply the first equation by 3. Multiply the second equation by -8 Add the two new equations. What happens?
OpenStudy (anonymous):
wait a min,why did you multiply it by 3 and the second one by -8?
OpenStudy (anonymous):
@tkhunny ^
OpenStudy (anonymous):
@tkhunny why did you multiply it by 3 and then by -8?
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