Question

9s - 6t = 12 and 4s - t = 9 substitution method​

Answer 1

Step-by-step explanation:

first we have to find the value t or s from eq 1 & 2 andthen put the value of s or t in eq 2

Answer 2

4s-t=9

4s-9=t

9s-6(4s-9)=12

9s-24s+54=12

-15s=-42

s=-42/-15

s=14/5