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Mathematics 15 Online
OpenStudy (ksmd13):

Colton solved an equation incorrectly, as shown below: Step 1: x − 13 = 26 Step 2: x = 26 − 13 Step 3: x = 39 Which statement best explains why Step 2 is incorrect in Colton’s solution?

OpenStudy (ksmd13):

He did not subtract 13 from 26. He did not multiply 26 by 13. He did not add 13 to 26. He did not divide 26 by 13.

jhonyy9 (jhonyy9):

how you think it please ?

OpenStudy (hayisforhorses):

The third one

OpenStudy (hayisforhorses):

Because in order to isolate x, the -13 had to be erased.

OpenStudy (hayisforhorses):

Instead of adding 13, Colton subtracted 13 from 26

jhonyy9 (jhonyy9):

do you understand it now these above wrote ?

jhonyy9 (jhonyy9):

to isolate x you need assuming to both sides 13

OpenStudy (ksmd13):

I think i'm beginning to understand it v-v Thank you guys, I have one more.

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