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15-05-2020
Mathematics

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Which expression is equal to 45 x 4-7: 4-2?

Which expression is equal to 45 x 47 42 class=

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15-05-2020

Answer: 12

Step-by-step explanation:To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.

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