NathanaelLopez
29.07.2019 •
Mathematics
Select the correct difference 5d^2+4d-3 less 3d^2-2d+4 a. 2d^2+2d+1 b. 2d^2+6d-7 c. 2d^2+6d+7 d. -2d^2-6d+1
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Ответ:
Ответ:
brainliest pl
Step-by-step explanation:
1/2x+15=x
X+30=2x
30=2x-x
30=x
Number of girls in class
30-12=18
☆ the number of girls in his class are 18