SOLUTION: x-y=-4 x+y=-4

Question 852656: x-y=-4 x+y=-4
Answer by JulietG(1812) (Show Source): You can put this solution on YOUR website!
X - y = -4
X + y = -4
.
Think about it for a few seconds :-).
.
.
.
.
.
.
.
.
If adding a number and subtracting a number yield the same result, then the number MUST be 0. If y is 0, then X MUST be -4.
RELATED QUESTIONS
x^4-y^4=... (answered by josgarithmetic)

(x+y+4)(x+y-4) (answered by LtAurora)

Graph: x + y < 4 x - y > 4 (answered by stanbon)

X+y=4... (answered by josgarithmetic)

x+y=4... (answered by cesardelrosario)

Y=4... (answered by Fombitz)

y=2x... (answered by ikleyn)

y=|x+4| (answered by longjonsilver)