What's 3x + 10 - x + 12

Mathematics

2 answers:

Zinaida [17]2 years ago

5 0

2x+22 is the answer.

tatyana61 [14]2 years ago

3 0

Correct! Your answer is B. 2x+22, here's why it is though:
=3x+10+−x+12
=3x+10+−x+12 — Combine like terms:
=(3x+−x)+(10+12)
Answer:
=2x+22

Good luck with your studies, I hope this helps~!

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The answer is C. and E.
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Work shown below:
A. 500 divided by 6 equals 83.33.
B. 600 divided by 3 equals 200.
C. 100 divided by 4 equals 25. (CORRECT)
D. 150 divided by 5 equals 30.
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2 years ago

How to solve 2x(x+3)=2x^2+15

Travka [436]

Answer: x = 5/2 = 2.5

Step-by-step explanation:

Given expression

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Expand parentheses and apply the distributive property

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Subtract 2x² on both sides