Eight added to twice a number is 42

Question

This equations terms need to be translated into an algebraic expression 

Answer 1

Key words and how they translate into algebra:

 

"added" means plus or +

 

"twice" something means multiply by 2

 

"a number" is often called x, but you can really use ANY letter (from any language, for that matter)

 

2x means 2 times x or two multiplied by x

 

"is" means equals or =

 

Hope this helps............

Answer 2

Let x be the unknown number

• Eight added (8+)
• to twice a number (2x)
• is 42 (=42)

 

8 + 2x = 42