a) dla x = 2
2×x+5=
2×2+5 =
4+5 = 9
b) dla x = 3
2×x+5 =
2×3+5 =
6+5=11
c) dla x = 0
2×0+5=
0+5 = 5
d) dla x = 2
3×x+__ = x+9
3×2+ __ = 2+9
6 + __ = 11
6 + 5 = 11
11 = 11
e) dla x = 3
3×x+ __ = x + 9
3×3+ __ = 3+9
9 + __ = 12
9 + 3 = 12
12 = 12
f) dla x = 0
3×x + __ = x + 9
3×0 + __ = 0 + 9
0 + __ = 9
0+9 = 9
9= 9
Powinno być dobrze :)
Mam nadzieję, że pomogłam :)
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a) dla x = 2
2×x+5=
2×2+5 =
4+5 = 9
b) dla x = 3
2×x+5 =
2×3+5 =
6+5=11
c) dla x = 0
2×x+5 =
2×0+5=
0+5 = 5
d) dla x = 2
3×x+__ = x+9
3×2+ __ = 2+9
6 + __ = 11
6 + 5 = 11
11 = 11
e) dla x = 3
3×x+ __ = x + 9
3×3+ __ = 3+9
9 + __ = 12
9 + 3 = 12
12 = 12
f) dla x = 0
3×x + __ = x + 9
3×0 + __ = 0 + 9
0 + __ = 9
0+9 = 9
9= 9
Powinno być dobrze :)
Mam nadzieję, że pomogłam :)