SOLUTION: solve by using substitution x+y=10 y=x+8

Algebra.Com
Question 413525: solve by using substitution
x+y=10
y=x+8

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

..........1
...........2....substitute in 1

..........1

.

.
.
...
....now sub. in 2 and find

...........2.



..
so, your solutions are: and


RELATED QUESTIONS

x/2-y/3=5/6 x/5-y-4=15/10 Solve by using... (answered by Fombitz)
solve the system of equations by using the substitution method 3x-4y=29... (answered by mananth)
Solve the system below by using substitution: X+3y=8... (answered by ewatrrr)
solve by substitution x=y-1, and 2x+y=10 write answer as a coordinate using... (answered by Boreal)
Solve by using substitution. 2x = y - 4 -3y = x -... (answered by stanbon)
Solve the system of equations by using substitution: { y=4-x }... (answered by solver91311)
what is the system of simultaneous equations by using the substitution method?... (answered by jim_thompson5910)
what is the system of simultaneous equations by using the substitution method? (answered by sofiyac)
what is the system of simultaneous equations by using the substitution method?... (answered by sofiyac)