👤

rozwiążrownanie
4x+5=2x-3
2(x+3)=2+x
4x-3(3x-5)=6x+4


Odpowiedź :

1)

4x + 5 = 2x - 3

4x - 2x = -3 - 5

2x = -8 | : 2

x = -4

2)

2(x + 3) = 2 + x

2x + 6 = 2 + x

2x - x = 2 - 6

x = 4

3)

4x - 3(3x - 5) = 6x + 4

4x - 9x + 15 = 6x + 4

4x - 9x - 6x = 4 - 15

-11x = -11 | : (-11)

x = 1