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N76 [4]
3 years ago
8

The gradient of the line y = x+3y=9​

Mathematics
1 answer:
Karolina [17]3 years ago
4 0

Answer:

change the expression to y

Step-by-step explanation:

x + 3y = 9

3y =  - x + 9

y =  \frac{ - 1}{3} x +  \frac{9}{3}

the gradient is the coefficient of x,

-  \frac{1}{3}

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