find four solution of2x+y=7
Answers
Answered by
4
Answer:
2x + y = 7
Put x = 1
2(1) + y = 7
y = 7-2
y = 5
Put x = 2
2(2) + y =7
4 + y =7
y = 7 - 4
y = 3
Put x = - 1
2(-1) + y = 7
-2 + y =7
y = 7 + 2
y = 9
For next solution you can the value of x.
Here (x,y) = (1,5) ; (2,3) ; (-1,9)..
Answered by
1
Step-by-step explanation:
2x+y=7
➡️(transpose 2 from LHS to RHS)
➡️x+y=7-2
➡️xy=5
note:-
*transpose means to take one value from 1 place 2 another
*in maths transpose is used to take the value from one plave two other when there is (=)sign in the expresion that is equation
remember= when u transpose sign changes
*(-)=(+)
*(+)=(-)
*(×)=(÷)
*(÷)=(×)
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