That would be : y = 2x + 1
Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer: -1.51, or it could be 4.09 < 5.6 (Im sorry if I get it wrong I just wanted to help)
Step-by-step explanation:
Answer:a symbol, usually a letter, used to represent a number.
Step-by-step explanation:
a math process (like adding, subtracting, multiplying, or dividing)