Question

daca x egal 4 si y+z egal 6, sa se calculeze.[a] 5x+5y+5z [b]3x+5y+2y+2z [c]xy+xz. ma ajuta cineva va rog

Answer 1

x=4
y+z=6

a) 5x+5y+5z= 5*x+5*(+y+z)= 5*4+5*6=24+30=54

b)3x+2y+2z= 3x+2*(y+z)=3*4+2*6=12+12=24

c)xy+xz= x*(y+z)=4*6=24