The eight related addition and subtraction equations for 48, 42, 6
48 - 6 = 42
, 6 = 48 - 42
, 48 - 42 = 6, 42 + 6 = 48
, 6 + 42 = 48, 48 = 6 + 42
48 = 42 + 6
, 42 = 48 - 6
When adding or subtracting the same number from both sides of the equation, the equation still holds.
The eight related addition and subtraction equations for 48, 42, 6
48 - 6 = 42
6 = 48 - 42
48 - 42 = 6
42 + 6 = 48
6 + 42 = 48
48 = 6 + 42
48 = 42 + 6
42 = 48 - 6
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