Answer :

AL2006
3x + 6  =  7 - 2x

Add  2x  to each side:        5x + 6  =  7

Subtract  6  from each side:    5x  =  1

Divide each side by  5 :      x  =  1/5  or  0.2


3x + 6 = 7 - 2x
3x + 2x  + 6 = 7 
5x + 6 = 7
5x = 7 - 6
5x = 1
x = 1/5

Other Questions