10 less than three times a number is 23. Find the number

Mathematics

2 answers:

Marina86 [1]3 years ago

7 0

Answer:

x = 11

Step-by-step explanation:

23 = 3x-10

1. Add 10 to both sides of the equation. -10 plus 10 is equal to zero so it cancels out to nothing, and 23 plus 10 is 33.

2. The new equation is now 33 = 3x.

3. Now you want to divide both sides by 3 to make x by itself since that is what you are trying to solve for.

4. 33/3 is equal to 11 so x = 11.

Charra [1.4K]3 years ago

4 0

Answer:

x=11

Step-by-step explanation:

10 less than three times a number is 23

3x-10=23

3x=33

x=11

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