Question

Mason says that (12x+4)-(-3x+5) and 15x -1 are equivalent. Is he correct

Answer 1

yes he is correct

Explanation:

(12x+4)-(-3x+5)

take out parenthesis,

12x+4--3x-5

simplify,

12x+4+3x-5

do the math,

15x-1

Answer 2

Yes.

Explanation:

I have attached the work to your problem.

Please see the attachment below.

I hope this helps!