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3 years ago

7

What is 3(a-7) simplifyed

1 answer:

Dovator [93]3 years ago

7 0

Answer:

$3a - 21$

Step-by-step explanation:

Given

$3(a - 7)$

Required

Simplify

To do this, we apply distributive property;

$3(a - 7)= 3 * a - 3 * 7$

$3(a - 7)= 3a - 21$

Hence, the simplified form is $3a - 21$

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3 years ago

What’s the answer to X and 5+(1/6)x

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3 years ago

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avanturin [10]

Answer:

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Step-by-step explanation:

$\mathrm{Equation\;Given:}\; 5+5x=\frac{12x-\frac{12}{5}\cdot \:7}{5}$

$\mathrm{Multiply\;both\;sides\;by\;5}:$ $5\cdot \:5+5x\cdot \:5=\frac{12x-\frac{12}{5}\cdot \:7}{5}\cdot \:5$

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$\mathrm{Subtract\;by\;sides\;by\;25}:$ $25+25x-25=12x-\frac{84}{5}-25$

$\mathrm{Thus\;we\;have}:$ $25x=12x-\frac{209}{5}$

$\mathrm{Subtracting\;12x\;from\;both\;sides}:$ $25x-12x=12x-\frac{209}{5}-12x$

$\mathrm{So\;then\;we\;have:}$ $13x=-\frac{209}{5}$

$\mathrm{Now\;divide\;both\;sides\;by\;13}:$ $\frac{13x}{13}=\frac{-\frac{209}{5}}{13}$

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$\mathrm{Decimal\;form}:-3.21538461538$

<u><em>Kavinsky</em></u>

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2 years ago

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3 years ago

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3 years ago