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  • 19-01-2018
  • Mathematics
contestada

Solve for x and y
Y=6x-24
Y=9x

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zrh2sfo
zrh2sfo zrh2sfo
  • 23-01-2018
Solve the following system:
{y = 6 x - 24
{x = 9 x

In the second equation, look to solve for x:
{y = 6 x - 24
{x = 9 x

Subtract 9 x from both sides:
{y = 6 x - 24
{-8 x = 0

Divide both sides by -8:
{y = 6 x - 24
{x = 0

Substitute x = 0 into the first equation:
{y = -24
{x = 0

Collect results in alphabetical order:
Answer:  {x = 0
                {y = -24
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