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bonufazy [111]
3 years ago
6

What is the solution to the system of equations?

Mathematics
1 answer:
seropon [69]3 years ago
6 0
When we add the two equations vertically. we get 5x=10 (3x+2x and 4+6, the y's cancel each other out) ∴x=2. Substitute this into any of the equations and we get y=2

so, x=2 and y=2
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Solve each equation using inverse operations: 1. 9w = -54 2. b - 12 = 3 3. n/4 = -11
katovenus [111]

Hello!

Answer:

1. \boxed{W=-6}

*The answer must have A NEGATIVE SIGN ONLY!*

2. \boxed{B=15}

*The answer must have A POSITIVE SIGN ONLY!*

3. \boxed{N=-44}

*The answer must have a NEGATIVE SIGN ONLY!*

Step-by-step explanation:

1. 9w=-54

First, you divide by 9 both sides of an equation.

9w/9=-54/9

Simplify.

-54/9=-6

<u><em>W=-6 is the final answer.</em></u>

____________________________________

2. b-12=3

First you add by 12 both sides of an equation.

b-12+12=3+12

Add by the numbers from left/right.

3+12=15

<u><em>b=15 is the final answer.</em></u>

__________________________________________

3. n/4=-11

First you multiply by 4 both sides of an equation.

4n/4=4(-11)

Multiply by the numbers from left/right.

4*-11=-44

<u><em>n=-44 is the final answer.</em></u>

_____________________________

Hope this helps you!

Have a great day! :)

:D

-Charlie

Thanks!

3 0
3 years ago
Point Bis the midpoint of AC AB=2x and AC=3x+20.<br> What is the value of x?
horsena [70]

Answer:

So x = 20

Step-by-step explanation:

AB + BC = AC sum of a segment is sum of its pieces

AB + AB = AC B is the midpoint, so AB = BC

2x + 2x = 3x + 20 putting in for AB (twice!) and AC

4x = 3x + 20 collect like terms

x = 20 subtract 3x on both sides.

Read more on Brainly.com - brainly.com/question/10838483#readmore

7 0
3 years ago
Which graph represents an exponential function?
Anettt [7]
An exponential function has a graph that is a smooth curve; it either increases at an ever increasing rate or decreases at an ever increasing rate. The only graph that fits these characteristics is the first one.
3 0
3 years ago
Someone pls help and show ur work
ale4655 [162]

Answer:

8x8=16

easy

https://youtu.be/WYNfQabLpuk

6 0
3 years ago
I’m not good at math can someone please help me with this .
Salsk061 [2.6K]

Answer:

Please like this i need pointgs

Step-by-step explanation:

the add 229129802032s3 9230

3 0
2 years ago
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