Consider this equation: -3x - 5 + 2x = 6
Which is an equivalent equation after combining like terms?
A.
-8 + 2x = 6
B.
-3x - 3 = 6
C.
-3x - 5 = 4
D.
-x - 5 = 6
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OpenStudy (anonymous):
@FibonacciChick666 please help
OpenStudy (fibonaccichick666):
well, what are your like terms?
OpenStudy (anonymous):
-3x and 2x but idk what to do after that and what the answer would be
OpenStudy (fibonaccichick666):
well, what do you get when you combine those?
OpenStudy (fibonaccichick666):
ie, -3x+2x=?
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OpenStudy (fibonaccichick666):
-3x-5+2x=6----> (-3x+2x)-5=6.
I have to go shower, but use your order of ops and you'll get it
OpenStudy (anonymous):
its either -2x or its 5x
OpenStudy (fibonaccichick666):
-3+2?
OpenStudy (fibonaccichick666):
draw it on a number line if you don't know for sure
OpenStudy (anonymous):
i meant -1 not -2
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OpenStudy (fibonaccichick666):
(it is neither of those)
OpenStudy (fibonaccichick666):
yes, that's right
OpenStudy (fibonaccichick666):
so then, plug and chug (-3x+2x)-5=6.
OpenStudy (fibonaccichick666):
well simplify the parentheses
OpenStudy (anonymous):
wouldn't it be D
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OpenStudy (fibonaccichick666):
yup
OpenStudy (anonymous):
thanks so much
OpenStudy (fibonaccichick666):
np. Just remember to rearrange and put in parentheses to make it more obvious