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The number that makes equation A equivalent to equation B is 2

What are equivalent equations?

These are equations that have the same value, when evaluated or simplified

The equations are given as:

  • Equation A: 3 + (5 + __) = 8 + __
  • Equation B: 3 + 7 = 10

The second equation (i.e. equation B) has a value of 10

To make equation A have a value of 10, we simply add 2 to both sides of the equation

Hence, the number that makes equation A equivalent to equation B is 2

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