3 (4-5x) - 2 (x+4) = 21
12-15x - 2x-8 = 21
-17x = 21-12+8
-17x = 17
x = 17/-17
x = -1
Mathematics
Senior High
Nilai x yang memenuhi persamaan linear satu variabel
3 (4-5x) - 2 (x+4) = 21
cara nya gimana?? bisa bantu??
bsk ulangan:)
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