Question

12.5x - 1.2 = 30x -2.5​

Answer 1

12.5x - 30x = -2.5+1.2

-17.5x = -1.3

x= -1.3/-12.5

x =13/125

Answer 2

Answer:

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Step-by-step explanation:

$12.5x - 1.2 = 30x -2.5 \\ \\ 2.5 - 1.2 = 30x - 12.5x \\ \\ 1.3 = 17.5x \\ \\ x = \frac{17.5}{1.3}\\ \\ \implies x = \frac{175}{13}$