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x = -6+2
x = -4
x -2 =6
x = 6+2
x = 8
hp { -4 , 8 }
b. 3x-5 =-7
3x= -7+5
3x=-2
x=-2/3
3x-5 =7
3x = 7+5
3x = 12
x= 4
HP{ -2/3 , 4 }
maaf kalau salah , semoga membantu :)