Question

Are 2.r = 4 and 4x + 5 = 13 equivalent? ​

Answer 1

Yes, they are equivalent.

Explanation:

2r = 4, r = 2. We get this because 4/2 = 2.

4x+5 = 13. Subtract 5 from both sides and we'll get 4x=8. Now divide 8/4 = 2.

So we get 2 = 2, which means that the expressions are equivalent.