Question

1. y=-3
y = -2x + 1
by substitution

Answer 1

Explanation:

y = -3 ------------(i)

y = -2x + 1 ----------(ii)

Substitute y =-3 in equ (ii)

-3 = -2x + 1

-2x = -3 -1

-2x = -4

x = -4/-2 = 2

Ans: x = 2