PDA

View Full Version : Inequalties for seventh grade math


Masease
Nov 12, 2009, 02:43 PM
8b+4=4(b-7):) thank you a lot!!

caligirlvma
Nov 12, 2009, 06:46 PM
8b+4=4(b-7) multiply 4(b-7)

8b+4=4b-28 subtract 4b to both sides

4b+4=-28 subtract 4 to both sides

4b=-24 divide 4 to both side

b=-6 answer is -6

mathwiz3502
Nov 30, 2009, 05:24 PM
By multiply I believe you mean use the distributive property