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Nat2105 [25]
3 years ago
13

Please help me i need this to be done within 5 minutes... will mark brainliest and thanks, and rate 5...

Mathematics
2 answers:
mariarad [96]3 years ago
8 0

Answer:

The error is in step 3. 24 -(-30). The correct answer would be -24-(-30)

Step-by-step explanation:

You are multiplying 2(-12) which would not give you a positive 24, but a negative 24 because a negative times a positive still gives you a negative. Once you have fixed that mistake, you continue on with the problem and your end product will be 6.

2(4−16)−(−30)

= (2)(−12)−(−30)

= −24−(−30)

= 6

I hope this helps you out!!

trapecia [35]3 years ago
7 0
The product of the two numbers with different signs is negative so 2(-12)=-24 not 24. Then -24 -(-30)=-24 +30=6
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Its for a test and its urgent please help :)
geniusboy [140]

Answer:

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Step-by-step explanation:

| 2 - 4a | - 2(b - 7)

let a = 3, b = -5

substitute a = 3, b = -5 into the equation:

| 2 - 4a | - 2(b - 7)

= | 2 - 4(3) | - 2(-5 - 7)

= | 2 - 12 | - 2(-12)

= | -10 | + 24

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= 34

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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