Question

plis bantu aku, big poin nih​

Answer 1

Jawaban:

7x = 180 - 40

7x = 140

x = 140/7

x = 20

4z = 180-100

4z = 80

z = 80/4

z = 20

2y = 180 - (80 +40)

2y = 180 -120

2y = 60

y = 60/2

y = 30