Question

Which line shows the first error in the solution?

(look in comments for problem)


A. Line 2

B. Line 3

C. Line 4

D. Line 5

Answer 1

(1) 5(x-5)=15
(2) 5x-25=15
(3) 5x-25=15-25
(4) 5x= -10
(5) \[\frac{ 5x }{ 5 } = \frac{ -10 }{ 5 }\]
(6) x= -2

Answer 2

Line 3.

Answer 3

Line 3. 25 is subtracted from the right side, but not from the left.

Answer 4

You are supposed to add the 25 to both sides not subtract.

Answer 5

oh okay. thx :)