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3x=123x=12

Full solution

Q. 3x=123x=12
  1. Identify Problem: Identify what the equation is asking us to solve.\newlineWe got 3x=123x=12, which means we need to find the value of xx that makes this equation true.
  2. Isolate xx: Divide both sides of the equation by 33 to isolate xx.\newlineSo, we do 1212 divided by 33 to get xx alone on one side. That gives us x=4x=4.
  3. Check Solution: Check the solution by substituting xx back into the original equation.\newlineIf we put 44 back in for xx, we get 3×4=123 \times 4 = 12, which is true. So, our solution looks good.