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12 – x = –3x + 36

x = ?

 Jan 4, 2021
edited by Guest  Jan 4, 2021
 #1
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+2

Can someone please check me?

I think the answer is x=12

Let's solve your equation step-by-step.

12−x=−3x+36

 

Simplify both sides of the equation.

12−x=−3x+36

12+−x=−3x+36

−x+12=−3x+36

 

Add 3x to both sides.

−x+12+3x=−3x+36+3x

2x+12=36

 

Subtract 12 from both sides.

2x+12−12=36−12

2x=24

 

 Divide both sides by 2.

2x=24

2     2

x=12

 

Answer:

x=12

 

(this may not be right but it was kinda confusing...)

-Grace

 Jan 4, 2021
 #2
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+1

To check if x = 12 is correct, substitute this value back into the original equation and see if the left-hand side equals the right hand side.

Alan  Jan 4, 2021

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