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OLEGan [10]
3 years ago
8

Which equation has solution x = -3?

Mathematics
1 answer:
Nata [24]3 years ago
7 0
I think its D, not positive though
You might be interested in
2x+5y=10<br> x-3y=-6<br> how do i get the point of intersection
diamong [38]
Multiple the second equation by 2 and subtract it from the first

2x + 5y = 10
2x - 6y = -12

now subtract

11y = 22
y = 2

Plug y = 2 in to either equation
x - 3(2) =  -6
x - 6 = -6
x = 0

The point at where they intersect is (0, 2)
8 0
2 years ago
If 4x - 2 is 4 less than 10, what is 8x?
Olenka [21]

Answer:

8x is 16.

Step-by-step explanation:

Find a number that makes the equation equal 6. I found it; x is 2.

Therefore, 8 times 2 is 16.

(4 times 2 is 8, 8 minus two is 6, which is 4 less than 10.)

Please mark me as Brainliest! I need it to move on to the next level. =)

7 0
3 years ago
Simplify: 30 - 23 × 3
gogolik [260]
The answer to this question would be 39..here is why:

First you multiply 23 x 3..because multiplication or division always comes before addition or subtraction.

Second, you get the product from 23 x 3 which is 69..and you subtract 30 from that.

Last, after you do that you get an over all answer of 39..

                     
                         Hope this helps!!
4 0
2 years ago
I need help with this question.
marshall27 [118]
That seems so hard, sending prayers and brain cells to you.
3 0
3 years ago
Please help me I will give you the brain thing and extra points. (image below) 17/30
AURORKA [14]

Answer:

c

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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