Odpowiedź:
a) 4x=2
x=0,5
b) -5x= -15
x=3
a) 11x-6=7x -4 |+6
11x=7x+2 |-7x
4x=2 |:4
x= 0,5
b) 4x+3=9x-12
-5x=-15 |:(-5)
x= 3
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Odpowiedź:
a) 4x=2
x=0,5
b) -5x= -15
x=3
Odpowiedź:
a) 11x-6=7x -4 |+6
11x=7x+2 |-7x
4x=2 |:4
x= 0,5
b) 4x+3=9x-12
-5x=-15 |:(-5)
x= 3