please heeelp me with this equation

Mathematics
Tutor: None Selected Time limit: 1 Day

1. Use substitution to solve the system of equations given below.   

Y= -2/3X - 5       2x + 3y = 5.



Feb 5th, 2015

Substitute first equation into the second

2x + 3(-2/3 x - 5) =5

2x - 2x - 15 = 5

-15 = 5

Statement is not true therefore there is no solution to the system of equations.  This means that the lines are parallel.

Feb 5th, 2015

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