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3 years ago

The difference of three times a number and six is nine

Mathematics

2 answers:

Artyom0805 [142]3 years ago

6 0

Answer:

3x-6=9 is your equation x=5

Step-by-step explanation:

Step 1: Add 6 to both sides

Step 2: Divide both sides by 3

3241004551 [841]3 years ago

4 0

Answer:

n=5

Step-by-step explanation:

Write an equation

The difference of 3 times a number and six

Difference means subtract. Times means multiply. And means add.

So, 3 times a number, n minus 6

3n-6

Is nine

Is means equal

= 9

3n-6=9

Solve

3n-6=9

Add 6 to both sides

3n-6+6=9+6

3n=15

Divide both sides by 3

3n/3=15/3

n=5

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