Did he make an error?

4x+6-x=2x+3

1st step: 5x+6=2x+3

The highest temperature recorded in Darbyville is 119 degrees. The lowest recorded temperature is 18 degrees below zero. What is the difference between the highest and lowest temperatures?

Convert the value from meters/second to kilometers/hour. One kilometer is equal to 1,000 meters, and 1 hour is equal to 3,600 seconds. Type the correct answer in the box. 105 m/s = ___ km/h

Vanessa bought a total of 5⁄3 pounds of green and red peppers. She bought 2⁄3 of a pound of green peppers. How many pounds of red peppers did she buy?

Witch is in order correctly

2.8+7.2 repeating answer as a decimal

Nine people plan to share equally 24 stamps from one set and 36 stamps from another set. Explain why 9 people cannot share the stamps equally

Which expression has the same sum as the one below? -15 + 6 a 15 + 6 b - 6 + (-15) c 15 + (-6) d 6 + (-15)

A race car travels 100 feet in 5 seconds, at this rate of speed, how many feet will the race car travel in a minute

90=36+54 use the distributive propertyAnd the GCF of 36 and 34 to write another related expression for 90 could you write another expression with a different common factor

What is the arc length of a circle that has a 7 cm radius in central angle that is 40° use 3.14 for pie and round your answer to the nearest hundredth