math
posted by dj .
1/4x1/6y=2
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
Multiply 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
Respond to this Question
Similar Questions

math logic
I need to find 5 or more ordered pairs (x,y) In which xy = x + y like (0,0) and (2,2) 0,0 2,2 1/2,1 1,1/2 i need one more How about two different x's and y''s? 
PreAlgebra
If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule? 
PreAlgebra
If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule? 
algebra ll
solve the system of equation. 4x  3y equals 14 y equals 3x plus 4 and another following up 4x  3 equals 8 2x plus 5y equals 9 thatnk u for the help 
chemistry
i am given 2.60*10 to the 15th power short tons (which 1 short ton equals to 2000 lb) and i am suppose to convert that into metric tons in which I have that( 1 metric ton equals to 1000 kg) I need help in knowing the steps to work … 
algebra
Could someone show me how to solve this joint variation problems? 
Math
1. 24 quarts equals 6 gallons? 2. 5 cups equals 40 quarts? 
geometry
Construct trapezium ABCD so that BC equals 6cm,AB equals 3cm,Angle B equals 80degrees and angle C equals 70 degrees.measure BD 
maths
f(x)equals to 2x is in form of y equals to ax or y equals to af(x) (if f(x)equals to x) plot f(x) equals to 2x 
math
Let f of x equals 4 for x less than or equal to 3 and equals the quantity 7 minus x for x greater than 3. Use geometric formulas to evaluate the integral from x equals 1 to x equals 7 of f of x, dx. I got 16 but i dont think it is …