a)97=2x-5
b)43=7+9x
c)17=11-12x
d)3 i 2/3 = 1/2x-1/3
a) 97=2x-5
97+5=2x
102=2x
x=51
43-7=9x
36=9x
x=4
11-17=12x
-6=12x
x=-0,5
d)3i 2/3=1/2x-1/3
3i2/3+1/3=1/2x
4=1/2x
x=8
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a) 97=2x-5
97+5=2x
102=2x
x=51
b)43=7+9x
43-7=9x
36=9x
x=4
c)17=11-12x
11-17=12x
-6=12x
x=-0,5
d)3i 2/3=1/2x-1/3
3i2/3+1/3=1/2x
4=1/2x
x=8