Mathematics
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OpenStudy (anonymous):
Simplify: -7(3x + 2)
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OpenStudy (anonymous):
You can get this one... distribute (multiply) the -7 across the parenthesis.
OpenStudy (anonymous):
-7X3x
OpenStudy (anonymous):
-7X2
OpenStudy (anonymous):
right.... -7(3x+2) = -7(3x) + (-7)(2)
= -21x -14
OpenStudy (anonymous):
-35x?
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OpenStudy (anonymous):
no, the "-14" isn't an x term... you can't add it to the -21x term
OpenStudy (anonymous):
oh.
OpenStudy (anonymous):
is it making sense or are you not seeing it yet?
OpenStudy (anonymous):
im seeing it in the answers theres A. -21x + 2
B. -21x - 14
C. -35x
D. 21x + 2
OpenStudy (anonymous):
So its B
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OpenStudy (anonymous):
because it cant be broken down anymore
OpenStudy (anonymous):
right.... that's correct, you've done all you can do. They didn't give you a value for x, so you can't do any more simplifying.
OpenStudy (anonymous):
6. Simplify: -6y + 4x + 2y - 10 + x
OpenStudy (anonymous):
Group the terms... all x terms together, all y terms together, and all numbers together
OpenStudy (anonymous):
-6y + 4x + 2y - 10 + x
-6y + 2y + 4x + x - 10
-4y + 5x - 10
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OpenStudy (anonymous):
Are you getting the idea?
OpenStudy (anonymous):
yes i got it ! thanks
OpenStudy (anonymous):
Glad to help :)