2(6x-1)+2(2x+5)=120
12x-2+4x+10=120
16x+8=120 |-8
16x=112 |/16
x=112/16
x=7
Answer:
$15.90
Step-by-step explanation:
80 - 16.40 = 63.60
63.60÷4 =15.9
15.9 = $15.90