Seven people went to the movies. The number of adults was one more than the number of children. Write a system of equations that represents the number of adults and children. Solve the system algebraically. Interpret the solution.
**ANSWER** 4 Adults, 3 Children. **WORK** x + (x+1) = 7 Combine like terms. 2x+1=7 -1 -1 2x = 6 /2 /2 x = 3 Go back to the original equation. x + (x+1) = 7 Plug in x = 3. 3 + 4 = 7. 4 Adults, 3 Children. **Hope this helped <3**