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Vikentia [17]
4 years ago
7

How many solutions does the equation –2a + 2a + 7 = 8 have?

Mathematics
1 answer:
Ronch [10]4 years ago
5 0
First simplify this equation. 

By adding 2a plus (-2a), What do you get? 
You will get zero right? 

so we will be left with, 7=8. 
Now is it true that 7 equals 8? Nope right? so there are zero solutions 
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Help! I don't know how to do this, you could explain or help pls pls pls<br><br>(2x2+7x−4)+(−10x−4)​
Alexxandr [17]

Answer:

=-(3x+4)

Step-by-step explanation:

(2x2+7x−4)+(−10x−4)

=(4-4+7x)-(10x+4)

=7x-10x-4

=-3x-4

=-(3x+4)

6 0
3 years ago
Y decreased by 9is 8
olga55 [171]

Answer:

It's easy to figure it out. The equation we have is 8 = y - 9. We need to isolate y. Simply add 9 to each side of the equation to get this: 17 = y.

ANSWER: 17 = y

8 0
3 years ago
The table represents the number of miles to
sveta [45]

Answer:

it's 22 I'm pretty sure that it about the miles right?

4 0
2 years ago
Please help me answer
Fiesta28 [93]

1st and 2nd shows = 2,580 + 2,920 = 5,500

If average = 3000 so 3 shows must be 3 x 3000 = 9000

So 3rd show = 9,000 - 5,500 = 3,500

Answer

3,500

4 0
3 years ago
Use distributive property to rewrite the expression without parentheses <br><br><br> (y+6)9
HACTEHA [7]

Answer:

9y + 54

Step-by-step explanation:

Multiply 9 both terms inside the parentheses

y*9 + 6*9

9y + 54

7 0
4 years ago
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