First simplify inside parenthasees
8-6x+12
-6x+8+12
-6x+20
distributive poproty
a(b+c)=ab+ac
1/4(-6x+20)=-6x/4+20/4=
-3/2x+5
Answer:Amy began with 9 marbles because tara had 6 for her 9
Step-by-step explanation:
Answer:
x=19
Step-by-step explanation:
(x+14)+(57)=90
x+71=90
x=19