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

y=2x-3
x+y=18

User Monkeytennis
by
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1 Answer

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

User Dominic Cotton
by
6.9k points
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