savannaflorian5141
17.10.2020 •
Mathematics
-6x + 3x = -21 solving for variable
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Ответ:
x= 7 is the answer
Combine like terms
-3x=21
Divide both sides by 3
x=7
Ответ:
#9 is C
#10 is D
#11 is B
#12 is A
#13 is A
#14 is A
#15 is D