How do you simplify $7( 3x - 3) - 12x < 3( 1+ 3x ) - 5$ ?

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Answer 1 · 2017-11-11T23:22:57

$7(3x - 3) - 12x < 3(1 + 3x) - 5$

distribution first to the pair of parentheses.

$21x - 21 - 12x < 3 + 9x - 5$

combine like terms

$color(red)(21x) - 21 color(red)(- 12x)$ < $color(red)3 + 9x color(red)(-5)$

$9x - 21 < 9x -2$

$true$

How do you simplify 7( 3x - 3) - 12x < 3( 1+ 3x ) - 57( 3x - 3) - 12x < 3( 1+ 3x ) - 5?