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If \(z\) is twice \(x\) , then what is \(5x+10+z-10+2z\) in terms of \(x\) ?

 Jan 14, 2021
 #1
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If you simplify the question then you will get 11x. 

 

Z=2x

Write the problem out and then substitute the z for 2x. 

5x +10+z-10+2z

5x + 10+ 2x-10 +4x

The two tens cancel out cause their negative and positive.

5x +2x+4x

Add the the variables 

11x is your answer

 Jan 14, 2021
 #2
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z = 2x     sub in

5x + 10 + 2x -10 + 2(2x)

11x

 Jan 14, 2021

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