If 3 times a certain number is increased by 4 the result is 28. What is the number?If x is the number, which of the following equations could be used to solve for the number?

Solution

Solution

The number : 8

Solution steps

Represent the number with

x

A.T.Q.:

3 x + 4 = 28

Solve for

x, 3 x + 4 = 28 : x = 8

The number : 8

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