Question

tìm X

b1.X x 7 - X+66:6=192+17

Answer 1

x*7 - x + 66 : 6 = 192 + 17

=> x(7 - 1) + 11 = 209

=> 6x = 209 - 11

=> 6x = 198

=> x = 33

vậy_

Answer 2

7xX-X+11=209

6xX=198

X=33

Answer 3

b1.X x 7 - X+66:6=192+17

=>X x(7-1)+11=209

Xx6+11=209

Xx6=209-11=198

x=198:6=33

vậy x=33

Answer 4

\(x\cdot7-x+66\text{ : }6=192+17\)

\(x\cdot\left(7-1\right)+66\text{ : }6=209\)

\(x\cdot6+11=209\)

\(x\cdot6=209-11\)

\(x\cdot6=198\)

\(x=198\text{ : }6\)

\(x=33\)

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