What is the justification for each step in solving the inequality?

2x+1≤3(x+1)2
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2x+1≤3(x+1)2 Given
4x+2≤3(x+1)
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4x+2≤3x+3
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x+2≤3
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x≤1
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Find the missing factor in exponential form 48^2=3^2 • ?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil