Question

-50 - (4 - x )= 20

Answer 1

4-x=-50-20

4-x=-70

x=4-(-70)

x=4+70

x=74

Vậy x= 74

Answer 2

74

Answer 3

\(4 - x = - 50 - 20\)

\(4 - x = - 70\)

\(x = 4 - ( - 70 )\)

\(x = 4 + 70\)

\(x = 74\)

Vay x = 74

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