Answer:
7x + 6 = 55; x=7
Step-by-step explanation:
"six more than" -> +6
"product of seven and a number" -> 7x
7x + 6 = 55
7x = 55 - 6
7x = 49
x=7
Answer:
Pythagorean theorem 
Step-by-step explanation:

It would be 6 out of 12 chances
Answer:
3 is the right one
Step-by-step explanation:
Simple math you know
Answer:
X is negative 5/ -5
Step-by-step explanation: