Question

Find the value of x in 3x+10=13

Answer 1

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.

Answer 2

Answer:

3x+10=13

Step-by-step explanation:

3x=13-10

3x=3

x=1