Question

x + 1/2 - 3,5 = 7,2 

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Answer 1

x + 1/2 = 7.2 + 3.5

x + 1/2= 10,7

x = 10,7 - 1/2

x = 10.2

Answer 2

\(x+\dfrac{1}{2}=7,2+3,5\)

\(x+\dfrac{1}{2}=10,7\)

\(x=10,7-\dfrac{1}{2}\)

\(x=10,2\)