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mx + c = y
2/5.7 + c = 2
14/5 + c = 2
c = 2/1 - 14/5
c = 10/5 - 14/5
c = -4/5
y = 2/5x - 4/5
5y = 2x - 4
5y - 2x + 4 = 0
Semoga membantu
*) Tent nilai x dengan syarat y = 0
2x - 5y = 8
2x - 5.0 = 8
2x - 0 = 8
2x = 8
x = 4
*) Tent nilai y dengan syarat x = 0
2x - 5y = 8
2.0 - 5y = 8
0 - 5y = 8
-5y = 8
y = -
jadi ,
*) y -
y - 2 = x - 7
-
y - 2 = x - 7
-
-3 ( y - 2 ) -
-3y + 6 = -