Question

$Solve \: by \: Substitution \: method : \: x + y = 5 \: \: and \: \: 2x - 3y - 4 = 0.$
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Answer 1

Answer:

Step-by-step explanation:

Rearrange

first equation

so x=5-y

put the value of x in 2nd equation

2(5-y)-3y-4=0

10-5y-3y-4=0

-8y+6=0

y=6/8

Now that you've got y

Plug it into the first original equation.

It's pretty easy try it yourself