4-50:
the graph at the right contains the lines for y=x+2 and y=2x-1
a.) using the graph, what is the solution to this system?
b.) solve the system algebraically to confirm your answer to part (a).

there will be 35 boys in each team. : )

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.