Question

Which equations have the same solution? choose all answers that are correct.

Answer 1

It's the first and last one

Explanation:

I took the test

Answer 2

All but the 3rd one have solution x = 4.4.

_____

a. x = 13×0.3 + 0.5 = 3.9 + 0.5 = 4.4

b. x = 3×1.2 + 0.8 = 3.6 + 0.8 = 4.4

c. x = 5×0.9 + 0.1 = 4.5 + 0.1 = 4.6

d. x = 8×0.4 + 1.2 = 3.2 + 1.2 = 4.4