Sadie= 82
Buddy= 54
Divide by 2, 136/2=68, then rest 14 to one half, 68-14=54, next add the other half 14, 68+14=82.
There you have it, i hope it helps you
Equation a and equation c
Answer:
For number 2 the answer is X=5,-2
and for number 3 the answer is there is no solution