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Y=3x+1,y=-x+5
Can anybody help me with this problem it's system of equations graph and substitution

Respuesta :

  Y=3x+1
+ y=-x+5
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first way:
elimination method-

  Y=3x+1
 y=-x+5 *3 = y=-3x+15
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   Y=3x+1
 + y=-3x+15
-----------
y=16
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Y=3x+1
16=3x+1
3x=16-1
3x=15
x=5


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