# Math

How do I solve this simultaneous equation
3x-2y=5 (1)
2y-5x=9 (2)
I managed to find the value of x and that is -7 but I am having problems to substitute it's value in equation (1)

1. 👍 0
2. 👎 0
3. 👁 90
1. sums phonics suptracting

1. 👍 0
2. 👎 0
posted by carly

## Similar Questions

1. ### Maths

solve the following pair of simultaneous equation: (x/a)+(y/b)=1 (x/b)+(y/a)=1 can someone help please?i have no idea how to solve it =( x/(ab) + y/b^2 = 1/b x/(ab) + y/a^2 = 1/a Subtract one from the other y(1/b^2 - 1/a^2) = 1/b

asked by Emma on July 11, 2007
2. ### Engineering

I need help solving the following simultaneous equations, for the values of Vo and a: 1.4 = Vo e^-32a 4 = Vo e^-6a I've never come across simultaneous equations like this (e is the base of natural logarithms, so perhaps taking

asked by Stuart on May 13, 2007
3. ### math

I am getting difficulties by doin this homework.plzzzz can u hel pme;Solve this simultaneous equation;1/3(x+2)-1/4(y-1)=1,5X=4Y(B)SOLVE TO 2 DECIMAL PLACES'x-15/x=12. The second number am not sure of my calcalations;The point

asked by nellyna on August 23, 2007
4. ### math

solve the simultaneous equations to find the coordinates of the point of intersection for the pair of lines of the simultaneous equations. Then check the answer by graphing the equations 3x-y=-4 2x-y=0

asked by Lauren on October 16, 2010
5. ### mathematics for management

helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64

asked by shiha on April 15, 2014
6. ### maths

helo sir/madam can u help me to solve this problem solve the following simultaneous equation logx Y+logy X=5/2 xy=64

asked by fizz on April 15, 2014
7. ### math

solve the simultaneous equation 2x+2y=7 x^2-4y^2=8

asked by fardeen on November 20, 2010
8. ### Mathematics

Solve the simultaneous equation: x^2 + y^2 = 13 and x + 3y = -3

asked by Grace on February 9, 2017
9. ### maths

Solve the following simultaneous equation: 8x+3y=23 6x+5y=9

asked by nabiha on March 15, 2010
10. ### maths

solve the following simultaneous equation: 5x+2y=29 x-y=-4 2x-y=-1 3x-y=2 5x+y=16 x-2y=1 5x+2y=16 -3x+4y=-7 3x+2y=19 5x-2y=5 7x-1/3-2(7y+3)/5=10/3 5x+2/4+3y-2/5=16/5

asked by JERMAINE on February 11, 2010

More Similar Questions