3x + 2 - x + 2 = x + 8

3x+2-x+2=x+8

3x-x=2x

2+2=4

4x+4=x+8

    -4     -4

4x=x+4

-x   -x

3x=4

/3   /3

x=4/3 or 1 1/3 or 1.3333

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hope it helps

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step-by-step explanation:

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answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere