Simplify 4x-7(3-3x)-9

Math
4x-7(3-3x)-9
Simplify each term.
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Apply the distributive property.
4x-7⋅3-7(-3x)-9
Multiply -7 by 3.
4x-21-7(-3x)-9
Multiply -3 by -7.
4x-21+21x-9
4x-21+21x-9
Simplify by adding terms.
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Add 4x and 21x.
25x-21-9
Subtract 9 from -21.
25x-30
25x-30
Simplify 4x-7(3-3x)-9

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