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Convert the following phrase into a mathematical expression. Use x as the variable and combine like terms Seven times a number, added to the sum of the number and eight

Respuesta :

Answer:

8(x + 1)

Explanation:

Variable given to be used = x

Seven times a number ⇒ 7x

The sum of the number and eight ⇒ x + 8

∴ By addition, we have;

7x + (x + 8)

7x + x + 8

Combining like terms yields

8x + 8

By factorisation, we have

8(x + 1)

Hence, the mathematical expression for the phrase is 8(x + 1)

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