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IgorLugansk [536]
1 year ago
6

What is the value of 8b - 3c when b = 3 and c = 4? ​

Mathematics
2 answers:
katrin2010 [14]1 year ago
6 0

Answer:

the answer is 12

Step-by-step explanation:

8×3-3×4=

=24-12

=12

Ber [7]1 year ago
3 0

Answer:

12

Step-by-step explanation:

substitute b = 3 and c = 4 into the expression

8b - 3c

= 8(3) - 3(4)

= 24 - 12

= 12

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3 years ago
One number is 1 more than 7 times the other number. If their sum is 73 more than
kvv77 [185]
<h3><u>Answer:</u></h3>

\boxed{\boxed{\pink{\bf The \ two \ numbers \ are \ 12  \& \ 85 . }}}

<h3><u>Step-by-step explanation:</u></h3>

Given that , One number is 1 more than 7 times the other number. If their sum is 73 more than

twice the smaller number. And we need to find the numbers. So let us take the

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\underline{\red{\boldsymbol{ According \ to \ the \ Question :- }}}

\bf\implies 2( Small \ no.) + 73 = Bigger \ no. + Smaller \ no.\\\\\bf\implies 2x + 73 = x + 7x + 1\\\\\bf\implies 2x + 73 = 8x + 1 \\\\\bf\implies 8x - 2x = 73-1 \\\\\bf\implies 6x = 72 \\\\\bf\implies x =\dfrac{72}{6}  \\\\\bf\implies \boxed{\red{\bf x = 12 }}

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\bf \implies Number_{bigger} = 7x + 1 \\\\\bf\implies Number_{bigger} =7(12)+1\\\\\bf\implies Number_{bigger} = 84 + 1 \\\\\bf\implies \boxed{\red{\bf Number_{bigger}=85 }}

<h3><u>Hence </u><u>the</u><u> </u><u>bigger </u><u>number</u><u> </u><u>is</u><u> </u><u>8</u><u>5</u><u> </u><u>and</u><u> </u><u>the </u><u>small</u><u>er</u><u> number</u><u> </u><u>is</u><u> </u><u>1</u><u>2</u><u>. </u></h3>
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3 years ago
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