4 years ago

Solve for X -5x=45 A 225 B 9 C -9 D 45

1 answer:

8 0

X=-9

-x=9 so x=-9 since you inverse the sign

You might be interested in

Pani-rosa [81]

<u>Answer:</u>

<u>Step-by-step explanation:</u>

Let's assume that the marks needed in the next exam is $x$ . Then if the average becomes 90,

$\frac{80 + 93 + 91 + x}{4}= 90$

Now we can simply solve for $x$ :

⇒ $\frac{264 + x}{4}= 90$

⇒ $264 + x = 360$ [Multiplying both sides by 4]

⇒ $x = 360 - 264$ [Subtracting 264 from both sides]

⇒ $x = \bf96$

Therefore, you need to score 96 in your next exam to have an average of 90 on the four exams.

8 0

2 years ago

Sloan [31]

91038482949394738393858 thank you

5 0

3 years ago

jeka94

2.4 pounds ............................................

7 0

3 years ago

ladessa [460]

The solution is in the attachment

5 0

3 years ago

Kitty [74]

Answer:

2^2 your welcome

Step-by-step explanation:

8 0

3 years ago