Question

a)x+6=15
b)x-9=2
c)3×+12=60
d)5×-72=28​

Answer 1

a)X=9
b)X=11
c)X=13
d)X=20

Answer 2

Resposta:

a) x+6=15

x= 15-6

x=9

b) x-9=2

x=2+9

x= 11

c) 3x+12=60

3x= 60-12

3x= 48

3x= 48

3

x= 16

5x-72 = 28

5x=28+72

5x= 100

5

x= 20