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Simplify 12 + 3(2x - 3) + 4. 6x - 3 6x + 7 6x + 13
asked
Oct 24, 2018
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Simplify 12 + 3(2x - 3) + 4.
6x - 3
6x + 7
6x + 13
Mathematics
high-school
Keyah
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Keyah
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2
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remember the distributive property
a(b+c)=ab+ac
and commutative property
a+b=b+a
so
distribute first
3(2x-3)=3(2x)+3(-3)=6x-9
now we have
12+6x-9+4
move like terms together
6x+12-9+4
add like terms
6x+7
the answer is 6x+7
Milliams
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Oct 26, 2018
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Milliams
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6
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12 +3(2x-3) +4
multiply 3 by 2x and by -3
12 +6x -9 +4
6x+7
Johnmerm
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Oct 30, 2018
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Johnmerm
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