Answer: Your Equation: 20x+5=T

Other Company Equation: 10]x+20=T
Solution: ([x-value],[y-value])
I used [pick one: elimination, graphing, substitution] because [reason why]

Your Equation: 20x+5=T

Other Company Equation: 10x+20=T
Solution: ([x-value],[y-value])
I used substitution because I can solve one equation for one variable and substitute it into the other equation to find the value of the remaining variable.