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Write the equation 5x + 4y = 10 so that y is a function of x. Show your work. A. y= 5/4x + 2.5 B. y= 1.2x - 5/2 C. y= -5/4 - 5/2 D. y= -5/4x + 5/2
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Write the equation 5x + 4y = 10 so that y is a function of x.

Show your work.
A. y= 5/4x + 2.5
B. y= 1.2x - 5/2
C. y= -5/4 - 5/2
D. y= -5/4x + 5/2

User Mladen Janjetovic
by
7.8k points

2 Answers

5 votes
5x + 4y = 10
- 5x - 5x
4y = -5x + 10
4 4
y = -1¹/₄x + 2¹/₂

The answer is D.
User Martyn Ball
by
7.7k points
4 votes
The general equation of the slope intercept form is y = mx + b. The first step is to subtract the whole equation by 5x. This leaves 4y on the left side. Then, divide the whole equation by 4, which results to option D. y= -5/4x + 5/2
User Sishin
by
7.7k points
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