Math, asked by hiten66, 6 months ago

Solve the equations:
3x – y = 3
7x + 2y = 20

Answers

Answered by jayen14

3

-y=3-3x
y=3x-3

7x+2(3x-3)=20
7x+6x-6=20
13x=26
x=26/13
x=2

y=3x-3
y=3(2)-3
y=6-3
y=3

Answered by swikrutiMohapatra

2

Answer:

x=2

y= -3

Step-by-step explanation:

3x-y=5___eq 1

7x+2y=20___eq 2

eq 1×2= 6x-2y=6

eq 2×1=7x+2y=20

________

13x=26

x= 26/13=2

now 3x-y=3

3.2-y=3

6-y=3

y=3-6=-3

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