Carlos is solving the equation 14x−52=−18%0D%0A1%0D%0A4%0D%0A%0D%0A−%0D%0A5%0D%0A2%0D%0A=%0D%0A−%0D%0A1%0D%0A8%0D%0A. His solution is as follows.%0D%0A%0D%0A14x−52%0D%0A1%0D%0A4%0D%0A%0D%0A−%0D%0A5%0D%0A2%0D%0A=%0D%0A=%0D%0A−18%0D%0A−%0D%0A1%0D%0A8%0D%0A %0D%0A+52%0D%0A+%0D%0A5%0D%0A2%0D%0A %09+52%0D%0A+%0D%0A5%0D%0A2%0D%0AAdd 52%0D%0A5%0D%0A2%0D%0A to both sides.%0D%0A14x%0D%0A1%0D%0A4%0D%0A%0D%0A=%0D%0A=%0D%0A218%0D%0A21%0D%0A8%0D%0A−18+52=−18+208=218%0D%0A−%0D%0A1%0D%0A8%0D%0A+%0D%0A5%0D%0A2%0D%0A=%0D%0A−%0D%0A1%0D%0A8%0D%0A+%0D%0A20%0D%0A8%0D%0A=%0D%0A21%0D%0A8%0D%0A4⋅14x%0D%0A4%0D%0A⋅%0D%0A1%0D%0A4%0D%0A%0D%0A=%0D%0A=%0D%0A4⋅218%0D%0A4%0D%0A⋅%0D%0A21%0D%0A8%0D%0AMultiply both sides by 4. %0D%0Ax%0D%0A%0D%0A=%0D%0A=%0D%0A212%0D%0A21%0D%0A2%0D%0A4⋅218=212%0D%0A4%0D%0A⋅%0D%0A21%0D%0A8%0D%0A=%0D%0A21%0D%0A2%0D%0A.%0D%0AIn which part of the solution, if any, did Carlos make the first error? %0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AHe added 52%0D%0A5%0D%0A2%0D%0A to both sides. %0D%0AHe added Start Fraction 5 over 2 End Fraction to both sides. %0D%0A%0D%0AHe multiplied both sides by 4. %0D%0AHe multiplied both sides by 4. %0D%0A%0D%0AHe did not make any errors. %0D%0AHe did not make any errors. %0D%0A%0D%0AHe incorrectly added −18%0D%0A−%0D%0A1%0D%0A8%0D%0A and 52

1 answer

He added -18 - 1/8 and 52.