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nignag [31]
3 years ago
10

Simplify 7b-2b+3b+4b

Mathematics
2 answers:
kolezko [41]3 years ago
4 0
It should be just 12b, since they all have the same exponent, they can all be combined.
Schach [20]3 years ago
3 0
The answer is 12b as 7b - 2b equals 5b add 3b add 4b equals 12b as they all have the same denominator I hope that helps you
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11x + 12 = 8x - 9 ... please
Marat540 [252]

Assignment: \bold{\Solve \ Equation: \ 11x+12=8x-9}

<><><><><><><>

Answer: \boxed{\bold{x=-7}}

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Explanation: \downarrow\downarrow\downarrow

<><><><><><><>

[ Step One ] Subtract 12 From Both Sides

\bold{11x+12-12=8x-9-12}

[ Step Two ] Simplify

\bold{11x=8x-21}

[ Step Three ] Subtract 8x From Both Sides

\bold{11x-8x=8x-21-8x}

[ Step Four ] Simplify

\bold{3x=-21}

[ Step Five ] Divide Both Sides By 3

\bold{\frac{3x}{3}=\frac{-21}{3}}

[ Step Six ] Simplify

\bold{x=-7}

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\bold{\rightarrow Mordancy \leftarrow}

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3 years ago
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Answer:

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