rozwiąż równanie:
x+4x+4x-8=19
prosze pomóżcie mi ;)
x + 4x + 4x - 8 = 19
x + 4x + 4x = 19 + 8
9x = 27 | :9
x = 3
9x=8+19
9x=27/:9
x=3
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x + 4x + 4x - 8 = 19
x + 4x + 4x = 19 + 8
9x = 27 | :9
x = 3
x+4x+4x-8=19
9x=8+19
9x=27/:9
x=3