Mathematics, 27.09.2019 20:00 clara384
Justify the first step that david took in verifying that x = 5 is a solution for the equation 8x – 13 = 2x + 17.
8x – 13 = 2x + 17
8(5) – 13 = 2(5) + 17
a. david multiplied 8 by 5.
b. david subtracted 13 from both sides.
c. david replaced x with 5.
d. david added 17 to both sides.
Answers: 2
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