1)
0.3x-0.6-0.2(x+4)-0.16=0
0.3x-0.6-(0.2x+0.8)-0.16=0
0.3x-0.6-0.2x-0.8-0.16=0
0.1x-0.6-0.8-0.16=0
0.1x-1.4-0.16=0
0.1x-1.56=0
x=1.56/0.1=15.6
2)
1.2x+0.8x-1.04-5.96=0
2x-1.04-5.96=0
2x-7=0
x=7/2=3.5
1)
0.3x-0.6-0.2(x+4)-0.16=0
0.3x-0.6-(0.2x+0.8)-0.16=0
0.3x-0.6-0.2x-0.8-0.16=0
0.1x-0.6-0.8-0.16=0
0.1x-1.4-0.16=0
0.1x-1.56=0
x=1.56/0.1=15.6
2)
1.2x+0.8x-1.04-5.96=0
2x-1.04-5.96=0
2x-7=0
x=7/2=3.5