Math Practice Material

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Name:_____________________________
 
X + 9 = Y
Y - 9 = X

X=
Y=





X + 8 = Y
Y + X = 26

X=
Y=





7 + X = Y
Y + X = 21

X=
Y=





 X + 10 = Y
Y - 10 = X

X=
Y=





X + 9 = Y
Y + X = 21

X=
Y=





5 + X = Y
Y + X = 7

X=
Y=





 X + 3 = Y
Y - 3 = X

X=
Y=





X + 10 = Y
Y + X = 12

X=
Y=





9 + X = Y
Y + X = 21

X=
Y=