How do you simplify #x+3(x+4)=20#?

Question

4706 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-09-24T15:03:57

#color(blue)(x = 2#

#x+ 3 (x+4) = 20#

#x+ 3 x+ 3* 4 = 20#

#x+ 3 x+ 12 = 20#

#x+ 3 x = 20-12#

#4 x = 8#

#x = 8/4#

#color(blue)(x = 2#