Respuesta :

Let's solve your equation step-by-step.2x−18=5x+18Step 1: Subtract 5x from both sides.2x−185x=5x+185x3x−18=18Step 2: Add 18 to both sides.3x−18+18=18+183x=36Step 3: Divide both sides by -3.3x/−3 36/−3x=−12Answer:x=12
aroni
21-18=51+18
21-18-51-18=-66
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