Question

PLEASE HELP!!

A student is trying to solve the system of two equations given below:

Equation P: y + z = 4
Equation Q: 3y + 7z = 15

Which of the following steps can be used to eliminate the y term? (4 points)

Select one:

a. −3(y + z = 4)

b. 3(y + z = 4)

c. −1(3y + 7z = 15)

d. −3(3y + 7z = 15)

Answer 1

Answer:

The answer is A.

Step-by-step explanation:

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Answer 2

The steps which can be used to eliminate the y term from the two provided equation to solve it for z, is −3(y + z = 4).

What is a system of equation?

A system of equation is the set of equation in which the finite set of equation is present for which the common solution is sought.

Two equations given below: Equation P is

$y + z = 4$          

Equation Q is

$3y + 7z = 15$

To eliminate the y term, make the coefficient of both y term same but opposite. For this, multiply the equation P with -3.

$-3(y + z = 4)$

Thus, the steps which can be used to eliminate the y term from the two provided equation to solve it for z, is −3(y + z = 4).

Learn more about the system of equations here;

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