6.9k views
1 vote
What number should both sides of the following equation be multiplied by in order to solve for x? x/6.5 = 4

Choices:
5
6
6.5
26

2 Answers

3 votes
I think you would multiply by the denominator 6.5 to isolate the variable.
User Stijn Bernards
by
8.3k points
4 votes
When you are trying to solve for a variable in an equation you have to do the same operation on both sides. The basic idea/rule is that if you are trying to solve for a variable that is being multiplied by a number you will divide by such number since you are doing the "reverse" operation. With that said, we say that if the variable is being divided by a number both sides have to be multiplied by such number. In this case, the variable x is being divided by 6.5, so you have to multiply both sides by 6.5 to get the following

(x)/(6.5) = 4 \\ 6.5* (x)/(6.5) = 4 * 6.5 \\ x = 26
User Jck
by
8.1k points

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