Decide whether the two equations are equivalent.

4n + 1= n-8

3n = -9

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Find the area of an equilateral triangle with a side of 6 inches