Question

solve by elimination method 4x+7y=15 3x-y=5​

Answer 1

Answer:

answer is 6,3

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Answer 2

Answer:

2 , 1

Step-by-step explanation:

Solve equation [2] for the variable y

[2]

y = 3x - 5

// Plug this in for variable y in equation [1]

[1] [1]

4x + 7. (3x -5) = 15

25x = 50

// Solve equation [1] for the variable x

25x = 50

X = 2

By now we know this much :

X= 2

y = 3x-5

Use the x value to solve for y

y = 3(2)-5 = 1

Solution :

{x,y} = {2,1}