Question

2x+3y=7 x-y=8 (by elimination method )​

Answer 1

Answer:

the equation answer is

x= 31/5

y= -9/5

Answer 2

• 2x + 3y = 7 ...(1) equation
• x - y = 8 ...(2) equation
• now multiply eq(1) by 1 & eq(2)by × 2
• 2x + 3y = 7
• 2x - 2y = 16
• now subtract eq 1 & 2 , we get
• 2x - 2x + 3y - 2y = 7 - 8
• y = -1
• then sub y = -1 in eq 2 , we get
• x - (-1) = 8
• x + 1 = 8
• x = 8-1 = 7

• Value of x is 7
• Value of y is -1

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