SOLUTION: 3x+4y=5, Y � 2x = 1

Question 696423: 3x+4y=5,

Y � 2x = 1

Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
3x+4y=5 y�2x=1
y=2x+1
replace y in the first equation with(2x+1) & solve for x.
3x+4(2x+1)=5
3x+8x+4=5
11x=5-4
11x=1
x=1/11 ans.
y=2*1/11+1
y=2/11+11/11
y=13/11 ans.
Proof:
3(1/11)+4(13/11)=5
3/11+52/11=5
55/11=5
5=5
RELATED QUESTIONS
3x+4y=5 2x+y=1 substitution or... (answered by Fombitz)

solve and steps 3x+4y=5 and... (answered by nyc_function)

y=2x-5... (answered by mananth)

3x-4y=7 2x-y=3 then 3x-4y=7 -8x+4y=-12 adding -5x=-5 then x=1 then 3-4y=7... (answered by oscargut)

solve the system x+y+z=6 3x+4y-7z=1 2x-y+3z=5 (answered by longjonsilver)

y= x - 6 y= 2x - 8 y= x - 4 y= -2x + 5 y= 2x+8 y=8 x=y= -3 x - y = -1... (answered by Alan3354)

3x+4y=5, 2x+y=1...If a system has an infinite number of solutions, use set-builder... (answered by solver91311)

need help to solve this please 3x+4y=5,... (answered by jim_thompson5910)

X+y+z+=8 -x-y+2z=-4 3x+5y-7z=14 2x-3y+z=-1 X+4y+5=25... (answered by Boreal)