Question

Simplify 7(x - 1) - 2(x + 1) + 3(x - 4)



8x - 21

8x - 4

8x + 21

Answer 1

distribute 7(x-1) please

Answer 2

i was trying but the site glitched on me isnt it um like 7x-1 or x-7

Answer 3

step 1, open the brackets
7x-7-2x-2+3x-12
Collect like terms
7x-2x+3x-7-12
8x-19

Answer 4

ooops..i missed something
7x-2x+3x-7-12-2
8x-21

Answer 5

okay that makes since and I can use this as an example to do the other ones thank you

Answer 6

http://www.mathsisfun.com/definitions/distributive-law.html
this site will explain distribution