09-11-2017
Mathematics

contestada

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

Respuesta :

April135 April135

09-11-2017

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

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

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

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