Question

a) ×+2=10
b)20×=400
c)2×-6=50
d)3×=-75

qual são as respostas???​

Answer 1

a)

x + 2= 10

x= 10 - 2

x= 8

b)

20x= 400

x= 400/20

x= 20

c)

2x - 6= 50

2x= 50 + 6

2x= 56

x= 56/2

x= 28

d)

3x= - 75

x= - 75/3

x= - 25