2x+3y=18 x-2y=2
find the value of x and y
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2x+3y=18 ......1
x-2y=2......2
let equation x-2y=2 be multiplied with 2
2×(x-2y=2)
2x-4y=4......3
subtract equation 3 from equation 1
+2x+3y =18
(-)2x(+)-4y=(-)4
______________
7y=14
_________________
y=2
from equation 2
x-2y=2
x-2(2)=2
x-4=2
x=6
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