Question

Resolva as equações:
a) 2×=16
b) 4×=32

Answer 1

a) x = 16÷2
x = 8

b) x = 32÷4
x = 8

Answer 2

A.2x=16
X=16/2=8
B.4x=32
X=32/4=8
Ou equacao exponencial
2(x)=16
2(x)=2(4)
x=4
4(x)=32
2(2x)=2(5)
2x=5
X=5/2
B.