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