4-1 would <span>have the difference of 1 + 4</span>
Step-by-step explanation:
green: 6/4
red: 7/4
this is all i know
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol. See: Variable.
Step-by-step explanation:

Since 5 is divisible by 10 and 5, we can factor out a 5 from both terms.
Answer:
x= y+2/3+4
Step-by-step explanation: