Question

98-а=11+45 решить уравнения

Answer 1

98-a=11+45
98-a=56
-a=56-98
-a=-42
a=42

Answer 2

98 - а = 11+ 45
98 - а = 56
а = 98 - 56
а = 42
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98 - 42 = 11 + 45
56 =56