1) 4 (x + 1)=6x
2) x+15=(x-2) (2x + 1)
prosze o szybka odpowiedz.z góry dziekuje;):*
9x=-4*-1+15-2
9x=19-2=17
9x=17/9
x=1,8
tak chyba powinno być;p
1) 4x + 4 = 6x
-2x = -4 |: (-2)
x = 2
2) x + 15 = 2x² + x - 4x - 2
-2x² + 4x = - 17
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9x=-4*-1+15-2
9x=19-2=17
9x=17/9
x=1,8
tak chyba powinno być;p
1) 4x + 4 = 6x
-2x = -4 |: (-2)
x = 2
2) x + 15 = 2x² + x - 4x - 2
-2x² + 4x = - 17