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Mathematics 17 Online
OpenStudy (anonymous):

Simplify 2x - 4 |-3y| for x = 7 and y = 3 please show me how you did it

OpenStudy (skullpatrol):

The idea of a variable is very important to understand as letter that can be replaced by a number, right?

OpenStudy (skullpatrol):

Here they are giving you the numbers to substitute for the letters "x" and "y".

OpenStudy (anonymous):

differentiate or integrate?

OpenStudy (skullpatrol):

Once you replace those letters with the given numerals you get what is known as a numerical expression that you can simplify.

OpenStudy (skullpatrol):

|dw:1384456780217:dw|

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