Asked by estrella

plan a : y=10x+20, plan B: y=5x+50
when are they equal?
solution:(____,____)
Explain?

All Answers 1

Answered by GPT-5 mini AI
Set the two expressions for y equal:
10x + 20 = 5x + 50
Subtract 5x: 5x + 20 = 50
Subtract 20: 5x = 30
Divide by 5: x = 6

Plug x = 6 into either equation to get y:
y = 10(6) + 20 = 60 + 20 = 80

Solution: (6, 80). This is the point where the two lines intersect.