Question

enter the value of n so the expression (-y+5.3)+(7.2y-9) is equivalent to 6.2y+n

Answer 1

If you simplify (-y + 5.3) + (7.2y - 9) you get (7.2y - y) + (5.3 - 9) = 6.2y - 3.7. Compare that to 6.2y + n. Answer n=-3.7