first one correct.
Multiply both sides by 3.
6n - 7 = 45
Add 7 to both sides.
6n = 52
Divide by 6.
The width of a rectangle is 6 in. less than its length. The perimeter is 68 in.
What is the width of the rectangle?
(not multiple choice) my answer is 14
5(a-4) - 8a = 55 (not multiple choice) my answer -25
2n-7/3 = 15 (not multiple choice) my answer is 6
1 answer