Represent 'a number' by x
7 times x equals 9 more than 4 times x
7 times x=9+4 times x
7x=9+4x
subtract 4x from both sides
3x=9
divide 3
x=3
the number is 3
Answer: x = 0; x=10
Step-by-step explanation:

Hope this helps!
Answer: its b ;p
Step-by-step explanation: