Question

(ii) s-t=3
S
+
3 by substitution method
​

Answer 1

Step-by-step explanation:

s= -3

s-t= 3

-3-t=3

-3-3=t

-6=t

s-t = 3

s+6=3

s=3-6

s= -3

Answer 2

The above answer is true