Nncy
Answered

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how do i do this pls help me

standard form (ax + by = c) to slope-intercept form (y = mx + b)

x-7y= -49 (ANSWER?)

Sagot :

rebeccarayshma

Answer:

[tex]y = \frac{1}{7} x + 7[/tex]

Step-by-step explanation:

x-7y = -49

i) move x to the right-hand side and change its sign

-7y = -49-x

ii) change the signs on both sides of the equation

7y = 49+x

iii) divide both sides of the equation by 7

[tex] \frac{7y}{7} = \frac{49}{7} + \frac{x}{7} [/tex]

[tex]y = 7 + \frac{1}{7} x[/tex]

iv) use the commutative property to reorder the terms

* commutative property: a+b = b+a

[tex]y = \frac{1}{7} x + 7[/tex]

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