30+(x-2)=70(35-y)×6=18060÷(a+2) =10(25-B) ÷5=390-(74+z) =103x+5×(x+2) =34

Question

30+(x-2)=70(35-y)×6=18060÷(a+2) =10(25-B) ÷5=390-(74+z) =103x+5×(x+2) =34

Answer 1

1) 30+(x-2)=70
30+x-2=70
28+x=70
x=70-28
x=42

2) (35-y)*6=180
210-6y=180
-6y=180-210
-6y=-30
y=5

3)60÷(a+2)=10
a=4

4)B=10

5)z=6

6)x=3