3x - 8 - 2x = 0
3x - 8 - 2x = 0
3x - 2x - 8 = 0
x - 8 = 0
x = -8
describe the error. *
a. the student incorrectly combined like terms on step 4.
b. the student incorrectly subtracted 8 on the last step.
c. both a and b
d. neither anor b - the student did not make any errors

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