likhitha99 likhitha99

23-03-2021
Mathematics

contestada

If we add 7 to twice a number , we get 49. Find the number

Respuesta :

9a5f8ugdp8 9a5f8ugdp8

23-03-2021

The number is 21.
2x+7=49
-7 -7
2x=42
divide by 2
x=21

Answer Link

Otras preguntas

What cells. Join to cause conception? Can you help me with all of them?

Line A has a slope of 4. Line B has a slope of 1/4.

One group of people purchased 10 hot dogs and 5 soft drinks for $35. Another group purchased 7 hot dogs and 4 soft drinks for $25.25. What is the cost of a sin

Review important identitie cosx cosy = 1/2 [cos(x+y) + cos(x−y)]

Explain what the variable represent in an addition or subtraction expression.

Determine cosine 23 degrees:

There are 100 pennies in a dollar. What fraction of a dollar is 61 pennies? Write it as a fraction, as a decimal,and in word form

Michael made a baby quilt that was 3 feet wide. Its Perimeter was 16 feet what was its Area. Show me the steps. Thanks

how can I use the word poll in a sentence

how do you write 3.04 as a mixed number?