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1-4x=+11 atau -11
1-4x =11
-4x=10
x=10/-4
x=-5/2
Bisa juga begini,
1-4x=-11
-4x=-12
x=-12/-4
x=3
2- 8x = 22 atau 8x - 2 = 22
-8x = 22- 2 atau 8x = 22 + 2
-8x = 20 atau 8x = 24
x = - 20/8 atau x = 24/8
x = - 5/2 atau x = 3