Question

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

Equation A: x + z = 6
Equation B: 3x + 2z = 1

Which of the following is a possible step used in eliminating the z-term?



A. Multiply equation A by –2.
B. Multiply equation B by 2.
C. Multiply equation A by 3.
D. Multiply equation B by 3.

Answer 1

What is your understanding of this Q so far?

Answer 2

c

Answer 3

Tell me the steps you underwent when solving :)

Answer 4

@perl

Answer 5

@satellite73

Answer 6

is c right?

Answer 7

No

Answer 8

Keep in mind opposites cancel

Answer 9

a negative number + postive number (the same one) = 0

Answer 10

A has -2

Answer 11

Good. So it would be A :)

Answer 12

-2+2=0z they cancel out