Question

3x+7 = 4x-12
Plz tell answer

Answer 1

Answer:

19

Step-by-step explanation:

$3x + 7 = 4x - 12 \\ 7 + 12 = 4x - 3x \\ 19 = x$

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Answer 2

Answer:

3x+7=4x-12

3x-4x= -12-7

-x= - 19

x=19

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