Question

Resolva as equações a seguir ​

Answer 1

Resposta:

a ) 3 + 2x = 11

2x = 8

X = 8/2

X = 4

b ) 23x - 21 = 25

23x = 46

X = 46/ 23

X = 2

c ) 12 - 7 + 4x = 25

4x = 25 - 5

X = 20/ 4

X = 5

d ) 5x - 3x = 30

2x = 30

X = 30/2

X = 15

Bobs Estudos ^^