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2x-3,5(x-4)=6
Ecuatie la matematica


Răspuns :

2x-3,5(x-4)=6
2x-3,5x+14=6
1,5x=8
x=5,(3)
2 X - 3,5(X-4) = 6
2 X- 3,5X+3,5×4 = 6
2X-3,5X +14 = 6
-1,5X = 6-14
-1,5X = -8 (-) ÷ (-) = (+)
X = 8: 1,5
X = 8:15/10
X = 8×10/15
X = 8×2/3
X = 16/3
X = 5,(3)