1. 5x= -5x
5x+5x=0
10x=0
x=0
2. 1.274x+0.702+5.4x+1.2=15
6.674x+1.902=15
6.674x=15-1.902
6.674x=13.098
x =
x = 1.96
1. 5x= -5x
5x+5x=0
10x=0
x=0
2. 1.274x+0.702+5.4x+1.2=15
6.674x+1.902=15
6.674x=15-1.902
6.674x=13.098
x =
x = 1.96