what equation can be used to determine x in the system of linear equations below ?

Answer: Option (A) for the speed runners
| 148 14 246 5 | / | -2 14 3 5 | = 52
Step-by-step explanation:
substitute
-2x+14y=148
x=82-5/3y
solve
-2(82-5/3y)+14y=148
y=18
substitute for y
x=82-5/3 times 18
x=52 or 18