Respuesta :

Answer:

q=8/5 r

Step-by-step explanation:

Step 1: add -3q to both sides

-7q+12r+-3q=3q-4r+-33

-10q+12r=4r

Step 2: Add -12r to both sides

-10q+12r+-12r=-4r+-12r

-10q=-16r

Step 3: Divide both sides by -10.

-10q/-10=-16r/-10

q=8/5r

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