Wednesday

April 16, 2014

April 16, 2014

Posted by **josh** on Sunday, April 17, 2011 at 4:29pm.

8x+5y=-12

x=12-4y

- math -
**Bosnian**, Sunday, April 17, 2011 at 4:57pmx=12-4y

8x+5y= -12

8*(12-4y)+5y= -12

8*12-8*4y+5y= -12

96-32y+5y= -12

96-27y= -12

96+12=27y

108=27y Divide with 27

4=y

y=4

x=12-4y

x=12-4*4

x=12-16

x= -4

**Related Questions**

Algebra - The problem is 9x+4y=-12 x=26-5y Solve by substitution method

math - solve using add. method 4x=-6+5y 8x+4y=-3

algebra 1 - how do you solve the following questions using the substitution ...

Algebra 2 - Solve this system by substitution: 2x-3y=12 x-4y=6 Slve this system ...

Math - solve using the substitution method. If the system has no solution or ...

algebra - Solve using the substitution method. Show your work. If the system has...

Algebra - Solve using the substitution method. Show your work. If the system has...

Algebra - Solve using the substitution method. Show your work. If the system has...

Algebra - Solve using the substitution method. Show your work. If the system has...

pre calc - solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y...