Make all fractions with a 48 denominator:
21/48 + 28/48 + 42/48 + 88/48
=179/48 = 3 (35/48)
Answer:

Step-by-step explanation:

= 91
*
= 
Since they are the same, any change made to 1 will be the same in the other, resulting in infinite solutions.
Answer:3333
Step-by-step explanation:
Since t=3
What do have to do is just set it for 3.
13(3) -2
k(3) = 37