Question

X+2=6/7
X-2/5=1/8
X-3=5/9
X-0.125=1/2
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Answer 1

X+2=6/7
X=6/7-2
X=6/7-14/7
X=8/7

X-2/5=1/8
X=1/8+2/5
X=5/40+16/40
X=21/40

X-3=5/9
X=5/9+3
X=5/9+27/9
X=32/9

X-1/8=1/2
X=1/2+1/8
X=4/8+1/8
X=5/8