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Solve the equation and check.

Solve the equation and check.  

Add. ( x + y ) + ( x – y ) + ( – x – y ) + ( x – y )  

Subtract the polynomials.   – +     + + +                                                      

Combine the like terms.  

Solve the equation and check. 4x = 2x –  

Solve the equation and check. 4(w – 2) = w + 1  

Express the rate in lowest terms.  

Express the ratio in lowest terms.  

Solve the equation and check.