Question

Sara is 9 years less than twice Brenda's age. If Sara is 21, write an equation to find Brenda's

age. (we don't want to find Brenda's age.. We just want to write the equation

Answer 1

Brenda is 39 i got that because i took 9 2 times and make it 18 then added to 21 and found brendas age

Answer 2

2x-9=21 in this equation, x would represent brendas age