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1) to find y-intercept, you simply put x= 0 in the equation.
Then you get -7y = 14, so y= -2.
You may say that y= -2 is y-intercept,
or more accurately, that the point (0,-2) is y-intercept.
2) to find x-intercept, you simply put y= 0 in the equation.
Then you get x = 14.
You may say that x= 14 is x-intercept,
or more accurately, that the point (14,0) is x-intercept.
Solved and explained.