Question

find the value of x when 4 x is equal to 3.2​

Answer 1

Answer:

0.8

Step-by-step explanation:

x=0.8

4x=3.2

x=3.2/4

x=0.8

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Answer 2

Step-by-step explanation:

l

Given equation is 4

x

−3.2

x+2

+32=0

Put 2

x

=t

⇒t

2

−3.t×4+32=0

⇒t

2

−12t+32=0

⇒t

2

−8t−4t+32=0

⇒(t−8)(t−4)=0

⇒t=4,8

Resubstitute value of t, we get

2

x

=4=2

2

and 2

x

=8=2

3

Therefore, x=2,3

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