Question

solve equation by substitation method x+y=5 2x-3y=4​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given X+y=5

2x-3y=4

2x=4+3y

X=(4+3y)/2

X=2+3y/2

2X=2+3y

2x-3y=2

x-y=2/6

1/5=2/6(if X+y=5 then x-y=1/5)

6/5=2

6=10

3=5

X+y=3

X=3-y

y=3-x