Answer: x = 14
Step-by-step explanation:
-x+14 = 0
Subtract 14 from both sides of the equation :
-x = -14
Multiply both sides of the equation by (-1) : x = 14
Given :
2 : 7 : : x : 49
➟ 2 : 7 = x : 49
➟ 2/7 = x/49
➟ 7x = 2 × 49
➟ x = 2 × 49/7
➟ x = 2 × 7
➟ x = 14
