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System of equations y=2x-3 x+y=18

System of equations y=2x-3 x+y=18
asked 183k views
2 votes
System of equations

y=2x-3
x+y=18

asked
User Monkeytennis
by
7.6k points

1 Answer

4 votes
2x-3=-1x+18
+1x +1x
3x-3=18
+3 +3
3x=21
divide both sides by 3
x=7

answered
User Dominic Cotton
by
9.2k points
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