The sum of two numbers is 57 the larger number is 17 more than the smaller number what are the numbers

What does x = in this equation x+3+2x=x+5

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?