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Sagot :
Answer:
[tex]b = 19[/tex]
Step-by-step explanation:
1) Add 7 to both sides.
[tex]b = 12 + 7[/tex]
2) Simplify 12 + 7 to 19.
[tex]b = 19[/tex]
Therefor the answer is, b = 19.
Answer:
Sample Response
Step-by-step explanation:
Use the inverse operation to isolate the variable. Undo the subtraction of 7 by adding 7 to each side of the equation. – 7 + 7 = 0, and 12 + 7 is 19. The solution is b = 19. Check the solution by substituting 19 for b in the original equation, and then simplify. 19 – 7 is 12 and 12 = 12 is a true statement, so 19 is the solution.
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