SOLUTION: x+y=19
x-y=-7
Algebra.Com
Question 712914: x+y=19
x-y=-7
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
x+y=19
x-y=-7 add.
------------------
2x=12
x=12/2
x=6 ans.
6+y=19
y=19-6
y=13 ans.
Proof:
13-6=-7
-7=-7
RELATED QUESTIONS
y = -2x + 19
y = x + 7
(answered by Alan3354)
2x+19=y... (answered by Fombitz)
y = -2x + 19
y = x +... (answered by stanbon)
x-y=9
x+y=19
(answered by checkley77)
x-y=5... (answered by ewatrrr)
x-4y=19 for y
(answered by jim_thompson5910)
Z=19+3(x+y) (answered by Fombitz)
x+y=19
x-y=-7 how do u do this by elimination
(answered by stanbon,richard1234,keksjr)
find the value for x^2 + y^2 if x + y=7 and x^3 + y^3 =... (answered by dkppathak)