Question

Hei,v-a rog ajutati-ma,urgent,plsssss (dau coroana si 20 de puncte,apasati pe fotografie pentru a o vedea in intregime)

Answer 1

y+11=8
y=8-11
y=3

z-1/2=3
z=3+1/2
z=6/2+1/2
z=7/2

t+1/3=1/2
t=1/2-1/3
t=3/6-2/6
t=1/6

u·5=-40
u=-40:5
u=-8

v·(-3)=-3/7
v=-3/7:(-3)
v=3/7·1/3
v=1/7

x·(-2/3)=3/4
x=3/4:(-2/3)
x=-3/4·3/2
x=-9/8