Question

tìm số nguyên x biết x+2x=-36

Answer 1

3x=-36

x=-36:3

x=-12

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Answer 2

x + 2x = -36

=> 3x = -36

=> x = -36 : 3

=> x = -12

Vậy x = -12

Answer 3

\(x+2x=-36\)

\(3x=-36\)

\(x=-36\div3\)

\(x=-12\)