SOLUTION: 15y=6+15x 15x-20y=-7 I really need help and step by step instructions thank you. I need it by the 14th please!!

Question 384329: 15y=6+15x
15x-20y=-7

I really need help and step by step instructions thank you. I need it by the 14th please!!
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the first equation.

Subtract 6 from both sides.

Rearrange the equation.

Move onto the second equation.

Replace '15x' with '15y-6'. This is possible because

Combine like terms on the left side.

Add to both sides.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

Go back to the equation where we isolated 15x

Plug in

Multiply and reduce.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

So the solutions are and

which form the ordered pair

So the system is consistent and independent.
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