Question 464699
"The sum of twice a number, and 7, is equal to the sum of a number and 6. Find the number."


x = the number


2x + 7 = x + 6 {sum of twice a number and 7 is equal to sum of the number and 6}
2x = x - 1 {subtracted 7 from both sides}
x = -1 {subtracted x from both sides}


the number is -1
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