Math Practice Material

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Name:_____________________________
 
X + 513 = Y
Y - 513 = X

X=
Y=






X + 506 = Y
Y + X = 676

X=
Y=






723 + X = Y
Y + X = 1511

X=
Y=






X + 957 = Y
Y - 957 = X

X=
Y=






X + 523 = Y
Y + X = 2359

X=
Y=






429 + X = Y
Y + X = 1429

X=
Y=






X + 790 = Y
Y - 790 = X

X=
Y=






X + 450 = Y
Y + X = 1928

X=
Y=






157 + X = Y
Y + X = 419

X=
Y=










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