Asked by sam

Kevin and Zach are playing a number guessing game. Kevin says, "I am thinking of a number. If you double it and then subtract one, the result is 7."
a) Write an equation that Zach could solve to find Kevin's number.
b) Explain the steps Zach could use to solve the equation.

Answers

Answered by Busy 6
a)n=(7+1)/2
b)it is easy now
Answered by drwls
Let the number be called x

a) 2x -1 = 7

b) Try solving for x yourself. It isn't hard. It takes two steps
Answered by sam
thanks:D
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