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Vikentia [17]
4 years ago
11

Solve 7+3x-12x=3x+1 What does X equal?? plz help!

Mathematics
1 answer:
ratelena [41]4 years ago
5 0

Answer:

x = 0.5 or \frac{1}{2}

Step-by-step explanation:

7+3x-12x=3x+1

  -3x      =-3x     cross out 3x

7-12x=1  subtract 7 on both sides

-7          =-7

-12x=-6 divide -12 into both sides

\frac{-12x}{-12} = \frac{-6}{-12}  cross out -12 and divide -6/-12 = 0.5

To check

7+3(0.5)=8.5 - 12(0.5)=2.5

3(0.5)=1.5+1= 2.5

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