Solve the following system of equations using substitution.
u = 6 + t
36 = 2t + u
A. t = 10, u = 16
B. t = 10, u = 4
C. t = 14, u = 20
D. t = 16, u = 22

Respuesta :

It's A. If U=16, 6+10=16
and if you plug in the numbers for the second equation it's 36=2(10)+16