kenkenc2024
kenkenc2024 kenkenc2024
  • 02-05-2020
  • Mathematics
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3x-7y= -28 SOLVE FOR Y

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ItzMikeSS
ItzMikeSS ItzMikeSS
  • 02-05-2020

Answer:

[tex]y=\frac{3}{7}x+4[/tex]

Step-by-step explanation:

[tex]3x-7y=-28[/tex]

In order to isolate -7y we need to subtract 3x on both sides.

[tex]-3x+3x-7y=-28-3x[/tex]

[tex]-7y=-3x-28[/tex]

We need our variable y to be alone and positive, therefore, we need to eliminate -7, to do this, we can divide by -7

[tex]\frac{-7y}{-7} =\frac{-3x}{-7}-\frac{28}{-7}[/tex]

[tex]y=\frac{3x}{7}+4[/tex]

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