Posted by Myra on Saturday, November 7, 2009 at 10:10pm.
Multiply the first by 10
3x - 2y = 40
Multiply the second by 6
3x + 3y = -10
Now subtract them :
5y = -50
y = -10
then x = 20/3
Related Questions
Algebra - To solve the system of equations, which expression could be ...
maths - solve the following simultaneous equation: 5x+2y=29 x-y=-4 2x-y=-1 3x-y=...
Algebra HELP - USE LINEAR COMBINATIONS TO SOLVE THE SYSTEM OF LINEAR EQUATIONS (...
algebra - pleae help solve: 3x-5y=7 and 5x-2y=-1
Alegbra - I need help with this problem 0.3x-0.2y=4 0.5x+0.5y=45/23 3x-2y=40 5x+...
Algebra 2 - Solve the system using any algebraic method. 22.)2x-5y=4 23.)5x+7y=...
algebra 2 - 1) 2a+c=-10 b-c=15 a-2b+c=-5 2) x+y+z=3 13x+2x=2 -x-5z=-5 3)x-y+3z=3...
Algebra 2 - Choose the appropriate simplified expression. 1. 8x^2-10x+3/6x^2+3x-...
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 *...
For Further Reading
