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torisob [31]
3 years ago
5

If signs are the same in addition, what is the rule? Example 6 + 6 = (-6) + (-6)

Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

6 plus 6 is 12 and 6 plus 6 is 12 so you subtract which would be 6 positive

Step-by-step explanation:

When adding two numbers with like signs, add the values and keep the common sign. When adding two numbers with unlike signs, subtract the values and use the sign of the larger-valued number. Change the subtraction operator to addition and change the sign of the number that immediately follows.

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Answer:

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Step-by-step explanation:

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3 years ago
Ivory says that the equation 2x+2=x+1 has no solution because the left-hand side is double the right-hand side. Is Ivory Correct
lorasvet [3.4K]

Answer:

No, Ivory is incorrect. The equation does have a solution, and the solution is x = -1.

Step-by-step explanation:

We try to solve the equation first.

2x + 2 = x + 1

We want all variables on the left side and all numbers on the right side.

Subtract x from both sides.

x + 2 = 1

Subtract 2 from both sides.

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Check: Plug in -1 for x on both sides and see if it makes a true statement.

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0 = 0 is a true statement, so the solution x = -1 is the correct solution.

Answer: Ivory is incorrect. The equation does have a solution, and the solution is x = -1.

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2 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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