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eduard
3 years ago
13

How do i solve for x

Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0

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! so im pretty sure its 20

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