Question

Зу = х – 2
2х + 5y = 15

Solve using Substitution Method
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Answer 1

Answer:

x-3y=2 ---------1

2x+5y=15 -------2

---------------

1*2, 2*1

2x-6y=4 ---------3

2x+5y=15-------4

________

-11y=-11

y= -11/-11

y=1

substitute y value in 3

2x- 6(1)= 4

2x=4+6

2x=10

x=5