Tentukan nilai x dari :
A. 3x + 5= x-1
B. 2/3 x 11 1/3 = 1/3 x - 2 1/3
kak bantuin yahh pleasee
A. 3x + 5= x-1
B. 2/3 x 11 1/3 = 1/3 x - 2 1/3
kak bantuin yahh pleasee
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3x +5= x-1
3x-x = -5-1
2x = -6
x = -6/2
x = -3
B.
2/3 x 11 1/3 = 1/3 x - 2 1/3
2/3 x 34/3 = 1/3 x - 7/3
36/3 = 1/3 x - 7/3
36/3 + 7/3 = 1/3 x
43/3 = 1/3 x
x = 43/3 : 1/3
x = 43/3 x 3/1
x = 43