3 years ago

12 less the product of an unknown number and three equals -9.

1 answer:

4 0

In standard form its written
3x-12=-9
if you need help solving then here you go as well
3x-12=-9
add 12 to both sides
3x=3
divide both sides by 3
x=1

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What is "the sum of twice a number and six is the same as three subtracted from the number itself"?

inysia [295]

Answer:

x=-1

Step-by-step explanation:

2x+6=3-x

Step 1: Simplify both sides of the equation.

2x+6=3−x

2x+6=3+(−x)

2x+6=−x+3

Step 2: Add x to both sides.

2x+6+x=−x+3+x

3x+6=3

Step 3: Subtract 6 from both sides.

3x+6−6=3−6

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Step 4: Divide both sides by 3.

3x/3=−3/3

x=−1

Answer:

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4 years ago

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Step-by-step explanation:

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