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Sonbull [250]
3 years ago
6

–x – 7 = 16 please help me

Mathematics
2 answers:
atroni [7]3 years ago
7 0
Move the -7 to the right, its sign will flip (do you know why?)
Negate both sides to change -x to x

-x = 16+7
-x = 23
x = -23
slavikrds [6]3 years ago
6 0
-x-7=16  |+7 , add to both sides
<span>-x=23  |*(-1)
x = -23

Answer:
-23
,,,,,,,,,,,,,,,,,,,,
-x-7=-(-23)-7=23-7=16</span>
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7 0
3 years ago
One over four (4x + 15) = 24
kiruha [24]

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Step-by-step explanation:

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3 0
3 years ago
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Solve the following quadratic equation for all values of xx in simplest form.<br> 4(x-2)^2=16
kvv77 [185]

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x=4, x=0

Step-by-step explanation:

I answered this here, lol.

brainly.com/question/23072490

8 0
3 years ago
HELP ME PLEASEEEEEE ASAPPPPPP
krok68 [10]

your answer is 10 1/8.

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4 0
3 years ago
Find the sum of these polynomials
Nuetrik [128]
Hi there! The answer is B.

( {x}^{2}  - x + 7) + (9 {x}^{2}  + 6)
First we work out the parenthesis, which is easy because we can just remove them.

{x}^{2}  - x + 7 + 9 {x}^{2}  + 6
Now rearrange our expression (in order to collect terms later).

{x}^{2}  + 9 {x}^{2}  - x + 7 + 6
Next up is collecting the terms.

10 {x}^{2}  - x  + 13
The answer is B.

~ Hope this helps you!



7 0
3 years ago
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