SOLUTION: Solve by substitution. 7x – y = 4 and 5x + 2y = 1
Algebra.Com
Question 1093182: Solve by substitution. 7x – y = 4 and 5x + 2y = 1
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
y=7x-4
5x+2(7x-4)=1
19x-8=1
19x=9
x=9/19
Solve for y
☺☺☺☺
RELATED QUESTIONS
Solve each system by substitution.
-5x - 2y = 7
7x + y =... (answered by ikleyn)
solve by substitution
1. 2x - y= -4
x+y = -5
2. 5x - 6y=21
x... (answered by MathLover1)
5x-2y=-5
y-5x=3
solve by... (answered by checkley71)
Solve by substitution -
5x - 2y = -5
y - 5x =... (answered by jcmtnez)
SOLVE BY SUBSTITUTION
5X-2Y=-5... (answered by jim_thompson5910)
Solve and check by using substitutions mehtod Not sure if this is right
y=5x
2x+y=28... (answered by rfer)
Solve by substitution.
x = y + 3 and 3x - 2y =... (answered by checkley71)
solve by substitution 4x=y-1 and... (answered by user_dude2008)
solve by substitution method
9x+7x=-47... (answered by jim_thompson5910)