Question

determine o valor do x

a 3x=27

b 2x=24

c 8×=128

d 11x=121

e 80x=880

Answer 1

a) 3x=27
x=27/3
x=9

b)2x=24
x=24/2 = 12

c)8x=128
x =128/8 = 16

d)11x=121
x=121/11 = 11

e)80x=880
x=880/80 =11

Answer 2

Determine o valor do x

BASTA isolar o (x)

a 3x=27

3x = 27
x = 27/3
x = 9



b 2x=24

2x = 24
x = 24/2
x = 12


c 8×=128 

8x = 128
x = 128/8
x = 16

d 11x=121

11x = 121
x = 121/11
x = 11

e 80x=880

80x = 880
x = 880/80
x = 11