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2-x/4 = 3x/2 +5 | *4
8 - x = 6x + 20
-7x = 12
-x = 1.71
x = -1.71
b)
x/3+2 = 7 | *3
x+6 = 21
x=15
c) x+1/2 + x =x +2/2 | *2
2x+1+2x=2x+2
2x=1
x=0.5