How do you solve #-6( 4u - 3) + 9u = 3( u + 7)#?
1 Answer
Mar 13, 2017
u= -1/6
Explanation:
-6 (4u -3) + 9u = 3(u+7)
Open the brackets
-24u + 18 + 9u = 3u + 21
Collect like terms
-24u + 9u - 3u= 21 - 18
-18u = 3
Divide both sides by -18
u = - 1/6