Answer: 7
Explanation:
Multiple all terms by the same value to eliminate fraction denominators.
2.5 = W/2.8
14 * 2.5 = 14 * w/14/5
Cancel multiplied terms that are in the denominator.
14 * 2.5 = 14 * w/14/5
14 * 2.5 = 5w
Multiply the numbers.
14 * 2.5 +5w
35 = 5w