Question

X x 15 + X x 13 =560 x 45

Answer 1

Xx15+Xx13=560x45

Xx15+Xx13=25200

Xx(15+13)=25200

Xx28=25200

X=25200:28

X=900

Answer 2

ai trả lời nhanh mk tích cho

Answer 3

X * 15 + X * 13 = 560 * 45

X * (15+13) = 25200

X *    28       =  25200

X                 =   900

Vậy X = 900

Answer 4

\(x\times15+x\times13=560\times45\)

\(x\left(15+13\right)=560\times45\)

\(x\times28=560\times45\)

\(x\times28=25200\)

\(x=25200\div28\)

\(x=900\)