Answer:
x=7 and y=1
Explanation:
Step-by-step x+y=8;x−y=6
Step: Solve x+y=8 for x:
x+y=8
x+y+−y=8+−y(Add -y to both sides)
x=−y+8
Step: Substitute−y+8 for x in x−y=6:
x−y=6
−y+8−y=6
−2y+8=6(Simplify both sides of the equation)
−2y+8+−8=6+−8(Add -8 to both sides)
−2y=−2
−2y
−2
=
−2
−2
(Divide both sides by -2)
y=1
Step: Substitute 1 for y in x=−y+8:
x=−y+8
x=−1+8
x=7(Simplify both sides of the equation)
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