Question

The value of x and y after solution of equations 5x + 4y - 4 = 0 and x - 12y -20 = 0 is
1 point
x = 5/3 and y = 3
x = 5 and y = 2/5
x = 2 and y = -3/2
x = 5 and y = 5

Answer 1

Answer :– x=2 and y= -3/2

Step by Step Explanation :–

5x +4y-4=0

5x= 4 -4y

x= (4 -4y) /5. .........(i)

x -12y -20=0

Keeping value of X

{(4 -4y) /5} -12y=20

(4-4y-60y)/5=20

4-64y=(20)(5)

-64y=100-4

y=96/(-64)

y = (-3)/2

Keep value of y in equation (i)

x=[4 - 4{(-3)/2} ] /5

5x=4 -(-6)

5x= 4+6

x= 10/5

x= 2

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