a)
Znajdź liczbę x.
-7 + x = 10
x = ........................
b)
x + (-4) = -10
x = .......................
-7+x=10
x=10+7
x=17
x+(-4)=-10
x=-10+4
x=-6
a) x = 17b) x = -6A)x=10+7 x=17B)x = -10+4 x = -6
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a)
-7+x=10
x=10+7
x=17
b)
x+(-4)=-10
x=-10+4
x=-6
a) x = 17
b) x = -6
A)x=10+7
x=17
B)x = -10+4
x = -6