Hcs algebra i a
taylor
determining accuracy
jen solved the equation 100 - 1x = 92 to determine the number of questions, x, she answered incorrectly on a
test. she began by subtracting 100 from both sides, then multiplying both sides by-2. which best describes the
accuracy of jen's work?
incorrect. she needed to add 100 to both sides instead of subtracting 100.
incorrect. she needed to multiply both sides by -2 first, then subtract 100.
correct. she could have also subtracted 100 from both sides, then divided by -
correct. she could have also multiplied both sides by - 2 first, then subtracted 100.