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Talja [164]
2 years ago
7

Solve x - 12 = 7 using algebraic operations​

Mathematics
2 answers:
White raven [17]2 years ago
5 0

Answer:

19

Step-by-step explanation:

add 12 to both sides to get x = 19

12 + 12 = 0 since your getting rid of the constants and 12 + 7 = 19 so x = 19

Use the opposite operation in which its formed in

For example 3x = 18

you would have to multiply 3 by x right? So the opposite operation of that is divide by 3 since you dont know the value of x so do the known value which is the number 3 once you divide 18 by 3 you get 6 so put 6 on the right side and keep the equal sign between them to get x = 19.

Romashka [77]2 years ago
3 0

Answer:

19

Step-by-step explanation:

  1. Add 12 to each side: -12 + 12 = 0, 7 + 12 = 19

I hope this helps!

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