katdoesart65091
24.06.2019 •
Mathematics
What expression are equivalent to -56z + 28
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Ответ:
-28(2z - 1)
Step-by-step explanation:
Looking at the coefficients -56 and 28 in -56z + 28, we see that -28 is common to both and can be factored out:
-56z + 28 = -28(2z - 1).
Ответ:
Hey there! :)
Last choice. a= 6.
Step-by-step explanation:
Starting with:
-6(2 + a) = -48
Distribute the -6:
-6(2) -6(a) = -48
Simplify:
-12 - 6a = -48
Add 12 to both sides:
-12 + 12 - 6a = -48 + 12
-6a = -36
Divide both sides by -6:
a = 6. Therefore, the last choice is correct.