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2 votes
HELP Please THANKS (:

HELP Please THANKS (:-example-1
User Sonu K
by
7.8k points

2 Answers

4 votes
subsitution
y=x-6
subsitute x-6 for y in the other equation

x+y=10
subsitute x-6 for y
x+x-6=10
combine like terms
2x-6=10
add 6 both sides
2x=16
divide by 2
x=8

sub back

y=x-6
y=8-6
y=2

x=8
y=2
(x,y)
(8,2)

D is answer
User Dialogik
by
7.8k points
3 votes
x+y=10
-x+y=-6
2y=4
y=2
x+4=10
x=8
Final answer: D
User Hurrymaplelad
by
8.7k points

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