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Age 11 to 14 Challenge Level:

If

Collage of coloured letters.

$A + C = A$

$F \times D = F$

$B - G = G$

$A + H = E$

$B / H = G$

$E - G = F$

and $A$-$H$ represent the numbers from $0$ to $7$

Find the values of $A, B, C, D, E, F, G$ and $H$.