Odpowiedź:
2+4x-1+2x=-8+4×x-7
2+8-1+7=4x-4x-2x
16=-2x
2x=-16 /:2
x=-8
2+4•x-1+2•x=-8+4•x-7
2-1+2x=-8-7
1+2x=-15
2x=-15-1
2x=16|:2
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Odpowiedź:
2+4x-1+2x=-8+4×x-7
2+8-1+7=4x-4x-2x
16=-2x
2x=-16 /:2
x=-8
Odpowiedź:
2+4•x-1+2•x=-8+4•x-7
2-1+2x=-8-7
1+2x=-15
2x=-15-1
2x=16|:2
x=-8