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2x=40-8
x=32/2
x= 16
b)5x+35=65
5x=65-35
x=30/5
x=6
c)3x+7=16
3x=16-7
x=9/3
x=3
d)0.5x+6=10
0.5x=10-6
x=4/0.5
x=8
f)es la misma que la d
g)1/5x+3=7 1/5=0.2
0.2x=7-3
x=4/0.2
x=20
h)0.02x+0.35=1.25
0.02x=1.25-0.35
x=0.9/0.02
x=45
i)3x=12
x=12/3
x=3
k)7x=30
x=30/7
x=4.285
L)1/2x=0.8 1/2=0.5
x=0.8/0.5
x=1.6