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Mamont248 [21]
3 years ago
14

What is the value of x? x + 5 = - 6x - 16

Mathematics
2 answers:
laiz [17]3 years ago
8 0
Get all the x's on one side and everything else on the other side
x + 6x = -16 - 5
7x = -21
then divide by 7
x = -3
exis [7]3 years ago
4 0
X +5 = -6x - 16
add 16 to both sides
x+21 = -6x
add 6x to both sides
7x+21=0
factor out the seven
7(x+3)=0

if 7 times (x+3) = 0 then (x+3) must equal zero because 7 times 0 is 0

so x+3=0
subtract three from both sides
x= -3
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4 years ago
NEED CORRECT ANSWER PLEASE! THANKS:)
-BARSIC- [3]
The answer is B. (2x + 5)(x + 1)You could answer this by expanding each answer until you found one that matched 2x^2 + 7x + 5, but I will only show how the answer expands:
2x × x = 2x^2
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6 0
3 years ago
If x = -2, what does -x mean
pickupchik [31]

Answer:

<h2><em><u>-x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>2</u></em></h2>

Step-by-step explanation:

<em><u>If</u></em><em><u>,</u></em>

x = -2

<em><u>Then</u></em><em><u>,</u></em>

-x = -(-2)

=> <em><u>-x = 2 (Ans)</u></em>

6 0
3 years ago
Which numbers are necessary to solve this problem?
Bad White [126]
Hello there.

<span>Which numbers are necessary to solve this problem? 

Brian goes to the gym 3 times a week. He exercises for 45 minutes each visit. Fifteen of those minutes are spent on weights and the rest are spent on the treadmill. 

How much time does Brian spend on the treadmill in 4 weeks?

Answer: </span><span>3 times a week, 45 minutes, 15 minutes, 4 weeks
</span>
5 0
3 years ago
Read 2 more answers
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