SOLUTION: i need help on dis problem:what is the x-intercept for the function y=-3x+7

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Question 43202: i need help on dis problem:what is the x-intercept for the function y=-3x+7
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
When a line crosses the x-axis, it is called the x-intercept. Notice that the value of y there is zero, so substitute zero in for y in this equation and get
y = -3x + 7
0 = -3x + 7
-7 = -3x
x = 7/3