Algebra help

Question

evaluate the expression 4y2-2x /7+2y for x=7 and y=2

Answer 1

Use parentheses.  I assume you meant 

 

(4y² - 2x) / (7 + 2y).

 

Just plug in x=7 and y=2, then simplify to get a final answer.

 

(4y² - 2x) / (7 + 2y) = [4(2²) - 2(7)] / [7 + 2(2)] = (16 - 14) / (7 + 4) = 2/11