Respuesta :

Answer:

a=3w−y

Step-by-step explanation:

Step 1: Flip the equation.

−a+3w=y

Step 2: Add -3w to both sides.

−a+3w+−3w=y+−3w

−a=−3w+y

Step 3: Divide both sides by -1.

(-a)/1=-(3w+y)/1

a=3w−y

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