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Solve the equation for y - that is, manipulate it so that "y" is on the left, everything else on the right. This will give you an equation of the form y = ax + b, where a is the slope, and b is the y-intercept.

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14y ago

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5x - 4y = 18

Algebraically rearrange into the straight form ' y = mx + c'.

Where 'm' is ther slope/gradient and 'c' is the y-intercept.

4y = 5x - 18

Divide both sides by '4'

y = (5/4)x - 18/4

y = (5/4)x + 9/2 ( 4 1/2 = 4.5)

So the slope is '5/4' and the y-intercept is 18/4 = 9/2 = 4 1/2 = 4/5 ( depending on how you have drawn the y-axis.

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lenpollock

Lvl 16
1y ago
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Q: What is the y-intercept for 5x - 4y equals 18?
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