Question

calcule o valor desconhecido

Answer 1

a) k+13=22
k=22-13
k=9
(9+13=22)

b) 4×l=76
4l=76
4l÷4=76÷4
l=9
(4×9=76)

c) u-38=34
u=34+38
u=72
(72-38=34)

d) t÷15=180
1/15t=180
t=2700
(2700÷15=180)