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eimsori [14]
3 years ago
8

1.

Mathematics
1 answer:
Vesnalui [34]3 years ago
8 0
1)4x-7=2x+9
Subtract 2x
2x-7= 9
Add 7
2x=16
X= 8

2(8)+9=25
(8,25)

X+y=10
-X-2y=-14
-y= -4
Y=4
X+4=10
X=6
(6,4)
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