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Mumz [18]
3 years ago
10

Which expression has a negative value?

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

for both of the problems on the picture I got the answer of 5, neither of the questions have a negative value

GrogVix [38]3 years ago
3 0

Answer:

7+(3(-4)2

Step-by-step explanation:

Let us calculate each one of them

1. -5(7+(-14))-30

= -5(7-14)-30

= -5(-7)-30

=35-30

=5

2. (15-7)-(9÷3)

= (8)-(3)

=5

3. -2[12÷(-3)]

  = -2[-4]

 = 8

4. 7+3(-4)(2)

 = 7+(-24)

= -17

Hence only forth option is negative value

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Read 2 more answers
Solve the equation 2.7 + x = 17
olga55 [171]
Hello!

To solve this equation, we need to isolate the variable on one side of the equation to see what it equals. 

As you can see, 2.7 is added. To get it onto the other side and cancel it from the one side, you will subtract it from both sides as shown below. Note that because of the commutative property, we can switch the places of 2.7 and x.

x+2.7-2.7=17-2.7  (Note that 2.7=2.7 is 0 in this equation.
x=14.3

Our solution is x=14.3

I hope this helped you learn how to solve equations a bit better!
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