Answer:
x = 8
Step-by-step explanation:
3 (x - 5) + 7x = 65
3x - 15 + 7x = 65
10x - 15 = 65
10x = 80
x = 8
Answer:
(-1.1)
Step-by-step explanation:
i dont if is right just tring yo help
Goldfish: 4*0.50=2 so $2.00
Goldfish: 7*0.70=4.90
4.90.2.00=$6.90
Answer:
x = 75°
Step-by-step explanation:
Sum of angles in a triangle: 180°
So,
50°+55°+x=180°
105°+ x = 180°
Subtract 105° from both sides
x = 75°