In solving 2x - 5 = 3, do you have to use the addition property of equality first? Why or why not? Why do you normally use the addition property of equality first?

Question

Tania Calhoun

Mathematics

10 March, 22:50

In solving 2x - 5 = 3, do you have to use the addition property of equality first? Why or why not? Why do you normally use the addition property of equality first?

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Answers (2)

Know the Answer?

Lucille Fitzgerald · Answer 1

You should add 5 on both sides to cancel the - 5 on bith sides

Mark Bolton · Answer 2

heres the sample fix it up if you need it

No; you can use the multiplication property of equality first, multiplying through by 1/2, but you have to distribute. Using the addition property first means you don't have to distribute, which sometimes means that using the addition property is easier.