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

equation a: x + z = 6
equation b: 2x + 4z = 1

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

multiply equation b by 4.
multiply equation a by 2.
multiply equation a by −4.
multiply equation b by 2.

If you would like to eliminate the z-term, you can do this using the following steps:

x + z = 6       /*(-4)
2x + 4z = 1

-4x -4z = -24
2x + 4z = 1

-4x + 2x = -24 + 1
-2x = -23

x = 23/2

The correct result would be x + z = 6       /*(-4); multiply equation A by -4.

g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)

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step-by-step explanation: