6 * 2 - 7 + 3 = 2 This answer was calculated according to the order of operations. Rule 1: First perform any calculations inside parentheses. Rule 2: Next, from left to right, do all multiplications and divisions. Rule 3: Last, from left to right, do all additions and subtractions.
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Minus 8 plus 6 equals -2.
Commutative, not communtative The mathematical property of being able to change the order of the numbers and not change the answer. A plus B equals B plus A (1 plus 3 equals 4, 3 plus 1 equals 4) A times B equals B times A (2 times 5 equals 10, 5 times 2 equals 10) Addition and multiplication are commutative operators A minus B is not necessarily equal to B minus A (6 minus 4 equals 2, 4 minus 6 equals minus 2) A divided B is not necessarily equal to B divided A (9 divided by 3 equals 3, 3 divided by 9 equals one-third) Subtraction and division are not commutative operators
Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
7C MINUS bracket open c plus 2 bracket close equals 7c minus c minus 2 equals 6c minus 2
actually it equals -4 because when two signs are not same they give a negative product. If they are the same, then the product is positive. so 2 times -2 is -4