Question

3x+2y=11/3 , -7x+5y=31/3
please help me with this sum
linear equation.​

Answer 1

Answer:

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Step-by-step explanation:

• given,
• 2x +7y= 39...(i)
• 3x+5y=31....(ii)
• now considering i
• 2x+7y=39
• 2x=39-7y
• x=39/2 -7/2y.....(iii)
• returning the value of x in ii
• 3[(39/2)-(7/2)y]+5y=31
• (117/2)-(21/2)y+5y=31
• (117/2)-31=(21/2)y-5y
• 55/2=(11/2)y
• cancelling 2 both side
• 55=11y
• y=55/11=5
• from iii,
• x=(39/2)-(7/2)y
• x=(39/2)-(7/2)5
• x=(39-35)/2
• x=4/2=2
• so your answer is x=2,y=5
• hope u understand

Answer 2

Answer:

hope u will understand