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Add and subtract like terms
(click a problem to attempt)
Simplify the expression 13x + 6  5x  3
Simplify the expression 10x  7y  3x
Simplify the expression 7x + 6  x  6
Simplify the expression 9  9y + 7 + 2y
Simplify the expression 8x  7y + 4  4x  y  3
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