Ask question

Ask question

All categories

Paladinen [302]

3 years ago

6

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

1 answer:

klemol [59]3 years ago

7 0

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

x + z = 6 /*(-2)
3x + 2z = 1
_____________
-2x -2z = -12
<span>3x + 2z = 1
</span><span>_____________
</span>-2x + 3x = -12 + 1
x = -11

The correct result would be <span>x + z = 6 /*(-2).</span>

You might be interested in

It took kyle 45minutes to complete 5km run.this time was 5% longer than his previous time.how long did kyle tale to run his prev

vaieri [72.5K]

Answer:Around 43%

Step-by-step explanation:

6 0

3 years ago

Solve for x: <br><br> -3x - 1 = -8x + 34

jenyasd209 [6]

Answer:

x=7

Step-by-step explanation:

<h3>collect like terms then solve</h3>

4 0

3 years ago

Suppose that an individual has a body fat percentage of 14.5% and weighs 171 pounds. How many pounds of his weight is made up of

scZoUnD [109]

Answer:

24.8 lbs

Step-by-step explanation:

14.5% is 0.145 in decimal and then you multiply it by the weight, and get the answer

0.145x171=24.8 lbs

3 0

3 years ago

What is the best estimate for the length of a cell phone?

Stolb23 [73]

Mines 14 cm so I’m guessing that‍♀️

6 0

4 years ago

Read 2 more answers

What is the positive solution to this equation? 4x^2+ 12x = 135 Record your answer and fill in the bubbles on your answer docume

Ira Lisetskai [31]

Answer:

$\frac{9}{2} or 4.5$

Step-by-step explanation:

4x^2+ 12x = 135

D=b²−4ac=122−4(4)(−135)=144+2160=2304=48²

$x_{p}= \frac{-12+48}{8} =\frac{36}{8}=\frac{9}{2}=4.5$

7 0

3 years ago