how much greater than the value of 3x-7 is the value of 3x+5

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1 Answer

 

Assuming that x is the same value in each equation, 3x+5 will be 12 more than 3x-7.

In order to determine the difference between the two values, you ignore the 3x part, because it is the same on both of the equations, and then you count up from -7 to 0, which is 7, and then count from 0 to 5, which is 5; 7+5=12.

 
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