Stan worked 4 years less than Marco. This year Stan has worked 29 years. If b is how long Marco worked, the equation b - 4 = 29 respresents this situation. How can you get the variable alone on one side of the equation?

Question

Reeves

Mathematics

14 September, 22:09

Stan worked 4 years less than Marco. This year Stan has worked 29 years. If b is how long Marco worked, the equation b - 4 = 29 respresents this situation. How can you get the variable alone on one side of the equation?

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Answers (1)

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Lilliana Ball · Answer 1

Add 4 on both sides.

In the equation there is a - 4.

If - 4+4=0, that is how you would get rid of the - 4.

But, you need to add 4 to 29 to really get rid of the - 4.

So, 29+4 is 33.

b=33