four solutions for equation 2x=y=7
Answers
Answer: Here is your answer!!!
Step-by-step explanation:
Given equation is:
2x+y=7
For x = - 1, we get
−2+y=7
⇒y=9
∴ (-1, 9) is a solution.
For x = 0, we get
⇒0+y=7
⇒y=7
∴ (0, 7) is a solution.
For x = 1, we get
⇒2+y=7
⇒y=5
∴ (1, 5) is a solution.
For x = 2, we get
⇒4+y=7
⇒y=3
∴ (2, 3) is a solution.
Hence, we have four solution (−1,9),(0,7),(1,5)and(2,3)
Correct Question :- four solutions for equation 2x+ y = 7 ?
Answer :-
First solution :- Taking x = 0,
→ 2x + y = 7
→ 2 * 0 + y = 7
→ 0 + y = 7
→ y = 7
therefore, first solution for given equation is (0 , 7) .
Second solution :- Taking y = 0,
→ 2x + y = 7
→ 2x + 0 = 7
→ 2x = 7
→ x = (7/2)
therefore, second solution for given equation is (7/2 , 0) .
Third solution :- Taking x = 1,
→ 2x + y = 7
→ 2 * 1 + y = 7
→ 2 + y = 7
→ y = 7 - 2
→ y = 5
therefore, third solution for given equation is (1 , 5) .
Fourth solution :- Taking y = 1,
→ 2x + y = 7
→ 2x + 1 = 7
→ 2x = 7 - 1
→ 2x = 6
→ x = 3
therefore, first solution for given equation is (3 , 1) .
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