The rest of the side where the 8 is would 20 (28-8)
Set up proportions:
8/10 = 20/3x-5
Cross multiply
200 = 24x-40
Add 40 to both sides
240 = 24x
Divide both sides by 24
X = 10
Solve for the equation: 3x-5 = 3(10)-5 = 30-5 = 25
1.6m questions
2.0m answers