Saturday

January 31, 2015

January 31, 2015

Posted by **dj** on Monday, July 21, 2008 at 4:35pm.

-1/6x+1/5y=4

solve for x and y its suppose to be x equals 12 and y equals 30

need steps thanks

- math -
**drwls**, Monday, July 21, 2008 at 5:10pmMultiply the first equation by 4 and the second by 6, and then add the two. This will eliminate the x and let you solve for y.

x - (4/6) y = -8

-x + (6/5)y = 24

(-20/30 + 36/30)y = 16

(16/30)y = 16

y = 30

**Answer this Question**

**Related Questions**

Pre-Algebra - If negative 20 equals 168, negative 15 equals 153, negative 10 ...

algebra ll - solve the system of equation. 4x - 3y equals 14 y equals -3x plus 4...

algebra - Could someone show me how to solve this joint variation problems? Y ...

chemistry - i am given 2.60*10 to the 15th power short tons (which 1 short ton ...

Pre-Algebra - If negative 20 equals 168, negative 15 equals 153, negative 10 ...

Math - 1. 24 quarts equals 6 gallons? 2. 5 cups equals 40 quarts? 3. 8 cups ...

math logic - I need to find 5 or more ordered pairs (x,y) In which xy = x + y ...

geometry - Construct trapezium ABCD so that BC equals 6cm,AB equals 3cm,Angle B ...

math - solve the pair of equation for x and y respectively,2xpower-1 - 3y-1 ...

math/algebrall - solve the system of equations:4x - 3y equals 14 and y equals -...