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scoray [572]
2 years ago
15

X-7=11 , 2x+y=19 when using elimination

Mathematics
1 answer:
12345 [234]2 years ago
6 0
X+0=18
2x+y=19 

(-2)x+(-2)0=(-2)18
2x+y=19 

0+y= -17 
2x+ (-17)=19
2x=36

y=-17
x=18
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