ayesha568
ayesha568
06-05-2017
Mathematics
contestada
X+y=11 and 22X+15y=228
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PHDFlopper
PHDFlopper
06-05-2017
x+y=11
22x+15y=228
y=11-x
22x+15y=228
22x+15(11-x)=228
22x+165-15x=228
7x+165=228
7x=63
x=9
9+y=11
y=2
The solution to the system of equations is (9,2)
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