3 years ago

15. (3x + 6) - (3x - 6)

Mathematics

2 answers:

coldgirl [10]3 years ago

6 0

Answer:

Step-by-step explanation:

Distribute the negative which would get your 3x + 6 -3x + 6. The 3x would cancel out and you would add 6+6 = 12

Black_prince [1.1K]3 years ago

3 0

Answer:

Step-by-step explanation:

1. Write the problem.

(3x+6)-(3x-6)

2. Put a 1 after the subtraction/negative sign because there is technically a 1 after the subtraction/negative sign between the two phrases.

= (3x+6)-1(3x-6)

3. Distribute the -1 to the 2nd part.

= (3x+6) + (-3x+6)

4. Simplify the equation.

= 3x+6-3x+6

5. Find like terms.

= 3x+6-3x+6

The 3x and -3x cancel each other out, leaving 6+6.

So, the answer is 12.

Hope this helps you understand a little more!!

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