Answer:
7
Step-by-step explanation:
add the like terms,
9x - 8 = 55
9x = 63
x = 63 ÷ 9
x = 7
Answer:
n+24=x
Step-by-step explanation:
Answer:
i think:
A number times four minus nine is one
Answer:
f(x) = 5(4)^x
Step-by-step explanation:
3x + 55 = 2(6x + 5)
3x + 55 = 12x + 10
9x = 45
x = 5
length of mid-segment = 6(5) + 5 = 35
Answer
A. 35.0