Question

2(x + 3y - 3) - (2x + 6y - 7)
Responses

Answer 1

0 + 0 + 1

Explanation:

use 2 to multiply the first bracket and -1 to multiply what is in th second bracket.

2x + 6y - 6 - 2x - 6y + 7

Then collect the like terms

2x - 2x + 6y - 6y - 6 + 7

= 0 + 0 + 1