What is the value of r in the equation 2(2r + 8) = 3r + 16?

The value of r is 0

Step-by-step explanation:

Given the equation 2(2r + 8) = 3r + 16

We have to find the value of r

2(2r + 8) = 3r + 16

By distributive property,

a(b+c)=ab+ac

⇒ 2(2r)+2(8)=3r+16

⇒ 4r+16=3r+16

⇒ 4r-3r=16-16

⇒ r=0

hence, the value of r is 0.

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

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