Question

Translate the sentence into an equation. The sum of 2 times a number and 3 is 9. Use the variable b for the unknown number.​

Answer 1

Answer: 2b+3 = 7

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Work Shown:

b = unknown number

2b = 2 times a number

2b+3 = the sum of 2 times a number and 3

2b+3 = 7, since the expression above is set equal to 7

Explanation: