<span>6( 5-8x) +12= -54
30-48x+12=-54 this comes from distributing(multiplying) 6x5 and 6 times -8x
30+12-48x=-54 you have to add the coefficients 30+12
42-48x=-54
-42 -42
-----------------------
-48x=-96 divide by -48
x=2</span>
Yes and the correct one is A
4(-9*x)
Multiply the two numbers
-36x
Final answer: -36x
You can download answer here
tinyurl.com/wtjfavyw