anggar20
07.10.2020 •
Mathematics
Use the drop-down menus to complete each equation so the statement about its solution is true.
2x+9+3x+x= _
x + _ =_
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Ответ:
D. 32
Step-by-step explanation:
Apply the exponet rule: a^-1=1/a
=2^7 * 1/4
Multiply fractions: a*b/c=a*b/c
=1*2^7/4
Multiply 1*2^7=2^7
=2^7/4
Factor 4: 2^2
=2^7/2^2
= 2/5
=32