SOLUTION: Solve using Substitution.
2x + 5y = 1
3x + 7y = 2
Algebra.Com
Question 899098: Solve using Substitution.
2x + 5y = 1
3x + 7y = 2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve using Substitution.
2x + 5y = 1
3x + 7y = 2
---------------
y = (1-2x)/5
y = (2-3x)/7
-----------
Equation:
(1+2x)/5 = (2-3x)/7
-------------------------
7+14x = 10-6x
20x = 17
x = 17/20
----
Xolve for "y" where y = (1-2x)/5
y = (1-(17/10))/5
y = (-7/10)/5
y = -7/50
-----------------
Cheers,
Stan H.
------------------
RELATED QUESTIONS
solve using the substitution method
1/3x+1/5y=7,... (answered by Alan3354)
Can you solve these problems by substitution?
1.)
x + 2y = -1
4x - 5y = 22
2.)... (answered by Maths68)
Solve one using elimination and one using substitution;
1)4x-y=10
-3x+y=-6... (answered by mananth,solver91311)
1. Solve the system by substitution.
A) 3x+4y=11. B) 3x+2y=6
-8x-y=19. (answered by josgarithmetic,MathTherapy)
Solve the following Using Cramer's rule
1.) 8x+5y=7
6x-7y=59
2.) 3x-7y=34
(answered by MathLover1)
Using substitution... (answered by ankor@dixie-net.com)
Solve using the substitution method
3x+5y=19
X=33-7y
Having a hard time... (answered by Alan3354)
Solve using the substitution method.
3x-y=7
2x+5y =-1 solve in ordered pair as... (answered by jim_thompson5910)
Solve using the substitution method
3x+7y=-33... (answered by Fombitz)