All categories

3 years ago

Find the solution to the system of equations.

Mathematics

1 answer:

goldenfox [79]3 years ago

8 0

Substitute

4x+2=x-4

Then solve

3x=-6

x=-2

Substitute answer into an equation to find y

y=-2-4

y=-6

So you solution is:

(-2,-6)

You might be interested in

3(-4n - 9) = 21 plc solve

erma4kov [3.2K]

<h3>Answer:</h3>

$\huge{\boxed{n=-4}}$

<h3>Explanation:</h3>

$\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}$

7 0

3 years ago

Read 2 more answers

Find the mean of the snowfall amounts?

ser-zykov [4K]

Mean is the same as average. Adding up all the amounts then dividing it by the number of amounts. In this case, we add up all the snowfall amounts and then we divide it by 10 ( the count or number of snowfall amounts).
In equation,
(13+19+16+23+11+18+14+26+13+16) / 10 = 16.9

Th answer is A. 16.9 inches.

5 0

3 years ago

What is the difference between |-3| and -3 ? <br><br><br> Explain & help me please

Korolek [52]

Answer:

Step-by-step explanation

|-3|=3

3-(-3)=3+3=6

8 0

3 years ago

How do you work out y+y in algebra

goldenfox [79]

Y+y = 2y there is no other solution.

8 0

3 years ago

Read 2 more answers

FOR 5 POINTS AND BRAINLIEST...<br> 18x – 4(9 – 5x) + 14<br> PLEASE SIMPLIFY AND SHOW YOUR WORK!

REY [17]

Answer:

38x-22

Step-by-step explanation:

5 0

2 years ago