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Subjects>Math>Math & Arithmetic

What is -15 equals 3x - 12?

Updated: 12/23/2022

Wiki User

∙ 12y ago

Best Answer

- 15 = 3X - 12

add 12 to each side

12 + - 15 = 3X - 12 + 12

- 3 = 3X

divide both sides integers by 3

- 3/3 = (3/3)X

- 1 = X

======check in original equation

- 15 = 3(- 1) - 12

- 15 = - 3 - 12

- 15 = - 15

=========checks

Wiki User

∙ 12y ago

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3x plus 15 when x equals 12 answer?

51.

What is 3x plus 12 equals 15?

x = 1

What does 3x-4y equals 12 equal?

3x-4x=12 that means -x equals 12 so x equals -12

If y equals 3x and 3x equals 15 then what number does y equal?

y = 15 (by transitivity)

What is 15 equals 30-3x?

15=30-3x 15-30=3x -15=3x -15/3=x -5=x

Related questions

6x-12 equals 3x 15?

6x - 12 = 3x + 15 3x = 27 x = 9

3x equals -12 what is x?

15

Write an equation of a line that is perpendicular to y equals 3x-12?

15

What is the mistake in this solving of an equation 3x minus 12 equals 10x minus 15 minus 6x minus 10 3x minus 12 equals 4x minus 25 3x plus 13 equals 4x 13 equals x?

3x - 12 = 10x - 15 - 6x -10 3x - 12 = 4x -25 3x + 13 = 4x 13 = 4x - 3x 13 = x None?

What is 3X plus 12 if X equals 1?

15

3x plus 15 when x equals 12 answer?

51.

What is 3x plus 12 equals 15?

x = 1

What does x equals in 3x 12 equals 18?

3x+12 = 18 3x = 18-12 3x = 6 x = 2

If y equals 3x and 3x equals 12 then what does y equals?

Well, if 3x equals 12, then x equals 4. And if y equals 3x, then y equals 3 times 4, which is 12. So, y equals 12. Math can be a piece of cake when you break it down like that!

What is the answer to 3x equals 15?

If: 3x = 15 Then: x = 5

What does 3x-4y equals 12 equal?

3x-4x=12 that means -x equals 12 so x equals -12

If y equals 3x and 3x equals 15 then what number does y equal?

y = 15 (by transitivity)

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