Question

[Le Thi nhat Tien]

X + 13 + 6 x X = 62

trình bày luôn nha

Answer 1

[nguyen khac hoang phuc]

X+13+6xX=62

Xx1+Xx6+13=62

Xx(6+1)+13=62

Xx7+13=62

Xx7=62-13

Xx7=49

X=49:7

X=7

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