\(\left(x-11\right)\times7-x=757\)
\(7x-77-x=757\)
\(6x=757+77\)
\(6x=834\)
\(x=834:6\)
\(x=139\)
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(x−11)×7−x=757(x−11)×7−x=757
7x−77−x=7577x−77−x=757
6x=757+776x=757+77
6x=8346x=834
x=834:6x=834:6
x=139
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