Question

3x = 18
b) 4x = 16
c) 3x +1 = 10
d) x/3 = 7
e) x/4 = 8
f) x + 4 = -15
3x + 9 = 12
3x - 20 = 1​

Answer 1

a)3x=18

x=18

3

x=6

b)4×=16

x=16

4

x=4

c)3x+1=10

3x=10-1

3x=9

x=9

3

x=3

D)x

3=7

x=7×3

x=21

E)X

4

x=8×4

x=32

F)x+4=-15

x=-15-4

x=-29

g)3x+9=12

3x=12-9

3x=4

x=4

3

x=1.3

h)3x-20=1

3x=1 + 20

3x=21

x=21

3

x=7