+1438 Write the equation of the line that has a slope of 3 and passes through (1,7).
+1253 y=mx+b
m=3
y=3x+b
x=1, y=7
7=3(1)+b
7=3+b
b=4
Equation: y=3x+4
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+1438 Thank you. Can you plz stay so I can come back with an answer to a similar question?
Why do we only leave y and x? Why do we only replace m and b?
