How do you write 3x + 4y = 20 in slope intercept form?

i need help on slope and intercecpt form
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2 Answers

Remember that slope intercept form is y=mx +b. The key is to make that equation look like the slope intercept form. So first, you would subtract 3. 3X-3X cancels out and then you bring the 3X all the way where 20 is. Since 20 and 3X are not like terms, you are left with 4y=3x+20. (I got the plus sign because 20 is positive). You divide 4 from 3 and 20. Your final answer is going to be: y=4/3x+5.
by
3x+4y=20

4y=-3x+20

y=-0.75x +5
by

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