Question

Solve by means of substitution method:
x + y = 5 and 2 x - 3 y = 4.​

Answer 1

Answer:

x+y=5

x=5-y

putting value of x in second equation

2x-3y=4

2(5-y)-3y=4

10-2y-3y=4

10-5y=4

10-4=5y

6=5y

6/5=y

and,

x=5-y

x=5-6/5

=(25-6)/5

=19/5

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