SOLUTION: solve the pair of linear equation:
3x- y+7/11 +2=10; 2y +x+11/7 =10
Algebra.Com
Question 756622: solve the pair of linear equation:
3x- y+7/11 +2=10; 2y +x+11/7 =10
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
solve the pair of linear equation:
3x - y + 7/11 + 2 = 10
2y + x + 11/7 = 10
We can rearrange these equations to
3x - y + 7/11 = 8
x + 2y + 11/7 = 10
get rid of those annoying fractions
multiply the 1st equation by 11
multiply the 2nd equation by 7
33x - 11y + 7 = 88
7x + 14y + 11 = 70
which is
33x - 11y = 81
7x + 14y = 59
These are a pain, lets solve it graphically
-11y = -33x + 81
divide by -11
y = 3x - (81/11)
and
14y = -7x + 59
y = -(1/2)x + (59/14)
graph these two
my calc calls this x = 3.308, y = 2.56 (checks out in the 1st equation)
RELATED QUESTIONS
-3x-y=-6
y-4z=11
x-2y+z=-7
solve the system of linear... (answered by josh's girl)
Using Substitution to Solve Linear Systems of Equations
1. y= x -1
2x -y =0
2. x+y=... (answered by checkley71)
{{{2/3x + 11 = 7}}}
Solve the... (answered by Joeshie)
5x-3y+7=11
3x+y-2z=11
-x+2y+z=11
Using the matrix method,which row of operations can i (answered by Fombitz)
Solve the following systems of linear equation by using Substitution Method:
1,) X +3y (answered by josgarithmetic)
Solve for ordered pair
2x + y = 10
3x - 1/2y = 11
(answered by Edwin McCravy)
Which equation represents the equation of a hyperbola?
F- x^2=2y
G-... (answered by Alan3354)
Solve the system of equations using substitution. 3x + 2y =7. Y = -3x +... (answered by oscargut)
what is the solution of the following system of linear equations?
x + 2y = -7
x = y... (answered by mananth)