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OpenStudy (the_puppet1):
Which is a simplified form of the expression 3a + 7 - a - 7? A. 2a B. 4a C. 2a + 14 D. 4a - 14
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alones (alones):
@Twalt13 let's try not give direct answers. Please try to engage the asker. Lead them to the answer. Thanks kindly.
OpenStudy (lunymoony):
bellablain I mean 3a + 7 - a - 7 take away the a 2a + 7 - 7 take away the 7 2a is left so A
OpenStudy (the_puppet1):
So what is it A or B?
OpenStudy (lunymoony):
B wasnt explained, hence it is wrong 1st. You cannot add -a to 3a and get 4a, you get 2a, simple math.
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