Thread: Substitution and Simplification

expression

Thank You. This is what I got

M=-2 P=4

3P-M
3MP

3*4-2
3*-2*4

= 10
-24

= -5
12


the answer is suppsed to be -7/12 ???

anyone?

Can you show the work you've done in plugging the numbers in? Incidentally, math is case-sensitive. m is not equal to M.

done

Originally Posted by Ackbeet

Can you show the work you've done in plugging the numbers in? Incidentally, math is case-sensitive. m is not equal to M.

OK, that's a good correction. But you still haven't posted your work yet.

expression

Thank You. This is what I got

M=-2 P=4

3P-M
3MP

3*4-2
3*-2*4

= 10
-24

= -5
12


the answer is suppsed to be -7/12 ???

Originally Posted by whereitsbeen

expression

Thank You. This is what I got

M=-2 P=4

3P-M
3MP

3*4-2 ... here ... should be 3*4 - (-2)
3*-2*4

= 14
-24

= -7
12

...