Math Practice Material

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Name:_____________________________
 
X + 18 = Y
Y - 18 = X

X=
Y=





X + 9 = Y
Y + X = 21

X=
Y=





9 + X = Y
Y + X = 21

X=
Y=





 X + 12 = Y
Y - 12 = X

X=
Y=





X + 6 = Y
Y + X = 14

X=
Y=





6 + X = Y
Y + X = 26

X=
Y=





 X + 5 = Y
Y - 5 = X

X=
Y=





X + 2 = Y
Y + X = 18

X=
Y=





5 + X = Y
Y + X = 29

X=
Y=