60 + 3x + x + 20 = 180
4x = 180 - 20 - 60 = 100
x = 25
________
60
x + 20 = 45
3x = 75
Answer:
Step-by-step explanation:
18x+8=14
18x=6
x=1/3
$0.60
2 • 4 = 6
6 • 0.10 = 0.60
-2x^9
-2x^6-(-3) = -2x^9
