bonjour
a) 5 x = 2
x = 2/5
b) 3 x = 15
x = 15/3 = 5
c) - 6 x = 18
x = - 3
d) 12 y = - 30
y = - 30/12 = - 2.5
e ) 2 x /3 = 5
2 x = 15
x = 15/2
f) t/4 = - 12
t = - 48
g ) 4 n = 2/5
20 n = 2
n = 2/20 = 1/10
h ) x /3 = - 5/ 6
6 x = - 15
x = - 15/6 = - 5 /2