9 of 159 of 15 Items%0D%0AQuestion%0D%0AAngie is solving the equation −x+7=−11%0D%0A−%0D%0A%0D%0A+%0D%0A7%0D%0A=%0D%0A−%0D%0A11%0D%0A. Her solution is as follows.%0D%0A%0D%0A−x+7%0D%0A−%0D%0A%0D%0A+%0D%0A7%0D%0A=%0D%0A=%0D%0A−11%0D%0A−%0D%0A11%0D%0A %0D%0A−7%0D%0A−%0D%0A7%0D%0A %09−7%0D%0A−%0D%0A7%0D%0ASubtract 7 from both sides.%0D%0Ax%0D%0A%0D%0A=%0D%0A=%0D%0A−18%0D%0A−%0D%0A18%0D%0A−11−7=−18%0D%0A−%0D%0A11%0D%0A−%0D%0A7%0D%0A=%0D%0A−%0D%0A18%0D%0A.%0D%0AIn which part of the solution, if any, did Angie make an error? %0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AShe did not divide both sides by −1%0D%0A−%0D%0A1%0D%0A. %0D%0AShe did not divide both sides by negative 1 . %0D%0A%0D%0AShe did not make any errors. %0D%0AShe did not make any errors. %0D%0A%0D%0AShe subtracted 7 from both sides.%0D%0AShe subtracted 7 from both sides.%0D%0A%0D%0AShe subtracted −11%0D%0A−%0D%0A11%0D%0A and −7%0D%0A−%0D%0A7%0D%0A incorrectly. %0D%0AShe subtracted negative 11 and negative 7 incorrectly.
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