which of the following are solution of equation 5x+2y=7. substitute and check (i) (-1,6) (ii) (3,-2)
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5x+2y=7 (i) (-1,6) (ii) (3,-2)
(i) x=-1,y=6
Substitute in the equation 5x=2y=7
5(-1)+2(6)=7
-5+12=7
7=7..
(ii) x=3,y=-2
5(3)+2(-2)=7
15-4=7
11≠7
∴ (i) (-1,6) is the solution of 5x+2y=7
Step-by-step explanation:
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