jkk83 jkk83
  • 01-06-2019
  • Mathematics
contestada

Write 7x-y=8 in the form of y=my+b

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PoeticAesthetics
PoeticAesthetics PoeticAesthetics
  • 01-06-2019

I'm going to assume that you meant y = mx + b not y = my + b

To do this move 7x to the right side by subtracting it to both sides

(7x - 7x) - y = 8 - 7x

0 - y = 8 -7x

-y = 8 - 7x

Y still isn't full isolated! There is still the negative sign that you have to get rid of. To do this divide -1 to both sides

-y/-1 = (8 - 7x)/ -1

y = -8 + 7x

y = 7x - 8

Hope this helped!

~Just a girl in love with Shawn Mendes

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