Question

From the sum of 3x - 2y + 4z and 7y - 2z, subtract x - 3y - z.​

Answer 1

Step-by-step explanation:

3x-3y+4z+7y-2z

- x-3y+0 +0 - z

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Answer 2

Given,

The sum of $3x-2y+4z$ and $7y-2z$ and subtract $x-3y-z$

We have to simplify the given equations

First we have to add the first two equations

$=3x-2y+4z+7y-2z$

$= 3x+5y+2z$____(1)

According to the question

$x-3y-z$ subtract from the equation (1)

$3x+5y+2z-(x-3y-z)$

$= 3x+5y+2z-x+3y+z$

$= 2x+8y+3z$

Therefore, the answer is $2x+8y+3z$.