OBLICZ "iksy"
1) 7(-1,5x+5)-3x=-6
Prosze o szybką odpowiedź
7(-1,5x+5) - 3x = -6
- 10,5x + 35 - 3x = - 6
- 13,5 x= -6-35
-13,5x= - 41 / : - 13,5
x= 27,5
o to chodzi ?
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7(-1,5x+5) - 3x = -6
- 10,5x + 35 - 3x = - 6
- 13,5 x= -6-35
-13,5x= - 41 / : - 13,5
x= 27,5
o to chodzi ?