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Finding the Solution to an Equation

In this video, we will be learning how to find the solution to an equation using direct substitution.

For example:

For what value of x would make this equation true?

 3x +1 = 7        Begin by substituting an answer choice for x

 

A. 2                                            3x +1 = 7

B. 3                                            3(2) +1 = 7

C. 4                                            6 +1 = 7

D. 5                                            7 = 7

 

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