Rozwiąż równanie:
1/4x-(4+1/2x)=-2
pozbywam się nawiasu:
1/4x-4-1/2x=-2
1/4x-1/2x=-2+4
1/4x-1/2x=2 /*4 mnożę obustronnie przez 4
x-2x=8
-x=8
x=-8
1/4x - 4 - 1/2x = -2 ----------- / * 4
4 * 1/4x - 4 * 4 - 4 * 1/2x = 4 * (-2)
x - 16 - 2x = -8
-x = -8 +16
-x = 8
x =-8
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1/4x-(4+1/2x)=-2
pozbywam się nawiasu:
1/4x-4-1/2x=-2
1/4x-1/2x=-2+4
1/4x-1/2x=2 /*4 mnożę obustronnie przez 4
x-2x=8
-x=8
x=-8
1/4x-(4+1/2x)=-2
1/4x - 4 - 1/2x = -2 ----------- / * 4
4 * 1/4x - 4 * 4 - 4 * 1/2x = 4 * (-2)
x - 16 - 2x = -8
-x = -8 +16
-x = 8
x =-8