Math Practice Material

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Name:_____________________________
 
X + 31 = Y
Y - 31 = X

X=
Y=






X + 12 = Y
Y + X = 80

X=
Y=






42 + X = Y
Y + X = 140

X=
Y=






X + 12 = Y
Y - 12 = X

X=
Y=






X + 33 = Y
Y + X = 41

X=
Y=






14 + X = Y
Y + X = 24

X=
Y=






X + 8 = Y
Y - 8 = X

X=
Y=






X + 16 = Y
Y + X = 28

X=
Y=






26 + X = Y
Y + X = 98

X=
Y=