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OpenStudy (helpblahblahblah):
Help please How many solutions does the equation −2a + 2a + 7 = 8 have? A. One B. Two C. None D. Infinitely many
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OpenStudy (acxbox22):
what do you think?
OpenStudy (acxbox22):
can you first combine like terms?
OpenStudy (helpblahblahblah):
I think C
Nnesha (nnesha):
m = m Infinitely many m = n no solution (x , y) one solution
OpenStudy (acxbox22):
why'?
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OpenStudy (helpblahblahblah):
Lucky guess tbh I have no idea
pooja195 (pooja195):
C is right
OpenStudy (acxbox22):
can you first simplify it?
pooja195 (pooja195):
-2+2=0 8-7=1 0=1
pooja195 (pooja195):
So it would be correct :) alays try to isolate the vaible
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pooja195 (pooja195):
*always *variable
OpenStudy (helpblahblahblah):
Thanks guys
OpenStudy (acxbox22):
do you understand why?
OpenStudy (helpblahblahblah):
Yeah
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