Which expression is not equivalent to 4k + 12? 3k+4 +k +8 3(k+3)+ 3 4(k +3) 2(2k+5)+2 Mar 13 | Debbie from Stony Point, NY | 2 Answers | 0 Votes Mark favorite Subscribe Comment
Hi Debbie, 4k+12 1) 3k+4+k+8=4k+12 2) 3(k+3)+3=3k+9+3=3k+12 3) 4(k+3)=4k+12 4) 2(2k+5)+2=4k+10+2=4k+12 The (2) expression 3(k+3)+3 is not equivalent to 4k+12 Mar 13 | Shelly J. Comment
3(k+3)+3=3k+3*3+3=3k+9+3=3k+12 3(k+3)+3 is the answer 3k+4+k+8=3k+k+4+8=4k+12 4(k+3)=4k+4*3=4k+12 2(2k+5)+2=2*2k+2*5+2=4k+10+2=4k+12 Mar 13 | Arthur D. Comment