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OpenStudy (anonymous):
Systems of Equations
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OpenStudy (anonymous):
OpenStudy (anonymous):
Hey Starr 10x - 5y = 20 20x + 5y = 20 Add them vertically 30x = 40 Are you with me so far?
OpenStudy (cggurumanjunath):
ADD BOTH THE EQ .
OpenStudy (anonymous):
Sorry I messed up. 30x = 120 right
OpenStudy (anonymous):
yes which x would equal 40
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OpenStudy (cggurumanjunath):
:)
OpenStudy (cggurumanjunath):
X=40
OpenStudy (anonymous):
x = 4 actually. Divide each side by 30 x = 4
OpenStudy (anonymous):
ok so 30 x 4 =120/30=4
OpenStudy (anonymous):
Correct :)
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