Best Answer

5n - 9 = 2n + 6 : Add 9 to both sides

5n = 2n + 15 : Subtract 2n from both sides

3n = 15 : Divide both sides by 3

n = 5

Q: 5 times n minus 9 equals 2 times n plus 6?

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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

Related questions

A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9

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

12-3(2+15) = -39

When two numbers have the same sign, whether plus or minus, their product is positive. When two numbers have opposite signs, their product is negative.

2 times 2 plus 2 times 2 plus 2 minus 2 times 2 is equal to 6.

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

32.5 or 32 1/2

-2 times -2 = plus 4 since minus times minus is plus

It Equals 2

It is plus 4