Wednesday

April 16, 2014

April 16, 2014

Posted by **Haylie** on Saturday, February 25, 2012 at 2:26pm.

3x-6y=-12

Please help me solve each system of equation and show your work thanks.

- Math -
**Reiny**, Saturday, February 25, 2012 at 2:50pmjust subtract them as they sit

9y = 27

y = 3

plug back into the 1st

3x + 9 = 15

3x = 6

x = 2

x = 2, y = 3

**Related Questions**

math - PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *...

math - PLEASE!!!!i need help on these 4: *4y=15-3x 2y=3x+21 *4x=5y-14 y=-6x-9 *...

Systems (maths) - Determine the system which is equivalent to the system: 3x+4y=...

math(algebra 1) - i dont get these please help me: use the subtitution method to...

Math Homework - Hello! I need help with these math questions, thanks! :) 1.) ...

Math - How many solutions does the system of equations have? 3x=-12y+15 and x + ...

Pre-Calculus - Solve by using the substitution method 1.x=-3y+4 and 3x+9y=12 3(-...

derivative - I am finding the second derivative of (x^2)(y^3) = 1 2x(y^3) + (x^2...

Math - 3x-4 to y+15 is constant and y=3 when x=2 then when y=12, x equals? My ...

maths - 6y=9-3x rearrange for x= Change 6y = 9 - 3x to: 3x = -6y + 9, then solve...