I’m pretty sure the answer is b but not 100%
3r + 3s = 3(r + s) answer
Answer:
y=mx+b
y=x+3
Step-by-step explanation:
m: 1 (rise over run by 1)
b: 3
Answer:
Step-by-step explanation:
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.