Solve the following system by substitution (2x+3y=5 (5x - 4y=2

asked Jan 2, 2021 837 views

5 votes

Solve the following system by substitution
(2x+3y=5
(5x - 4y=2

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4 votes

Answer:

2x+3y=5____(i)

5x - 4y=2____(ii)

3y=5-2x

Y=5-2x/3

Now, putting the value of Y in ii,

5x - (5-2x/3)4=2

15x-20+8x=6

23x=20

X=20/23

Y=75/69

Nareille answered Jan 7, 2021

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