How do you simplify 18 + 6(9k - 13)18+6(9k−13)?
1 Answer
Sep 1, 2016
Explanation:
Before adding we must multiply each of the terms inside the bracket by 6. The
color(blue)"distributive law"distributive law
rArr6(9k-13)=(6xx9k)+(6xx-13)=54k-78⇒6(9k−13)=(6×9k)+(6×−13)=54k−78
rArr18+6(9k-13)=18+54k-78=54k-60⇒18+6(9k−13)=18+54k−78=54k−60