Question

1. 5y-4x,если x= - 3,y=-2,02.
2. - 4t+8 * (2t -5t)-(30-29t)

Answer 1

1)5y-4x
если x=-3; y=-2.02 то 5y-4x= 5*(-2.02)-4*(-3)=-10.1+12=22.1
2)-4t+8*(2t-5t)-(30-29t)=-4t+16t-40t-30+29t=t-30