X + 2y = 8
Y = 2x -1
please with explanation!
Answers
Answered by
1
Answer:
(x, y) = ( 2,3)
Step-by-step explanation:
x + 2y = 8 ------(1)
y = 2x - 1 ------(2)
putting y = 2x - 1 on 'x' ...on equation (1)
x + 2(2x - 1) = 8
=> x + 4x - 2 = 8
=> 5x - 2 = 8
=> 5x = 10
=> x = 2
now, in equation (2), put the value of x
y = 2×2 - 1 = 4 - 1 = 3
Similar questions