Question

Solve using elimination method:

a) 2 p – 1 = 23
b) 3 n + 7 = 25
c) 3 x = 198
d)
2
= 3 ​

Answer 1

$\mathbb{HELLO}</p><p>$

Here's your answer

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Answer of 1) 12

Step by step

2p-1=23

2p=23+1

2p=24

p=24/2=12

answer of 2 questions:- n-6

*/ Subtract both sides by 7 , we get

⇒3n+7-7=25-7

⇒3n=8

/* Divide both sides by 3,we get

⇒³/³=¹⁸/³

⇒n=6

Answer 2

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$\tt{A) \: 2p - 1 = 23} \\ \tt2p =23 + 1 \\ \tt2p = 24 \\ \tt p = \frac{24}{2} \\ \tt \: p = 12$

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$\tt{B) 3n + 7 = 25 } \\ \tt3n =25 - 7 \\ \tt3n = 18 \\ \tt{n = \frac{18}{3} }\\ \tt{n = 6}$

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$\tt{C) 3x = 198} \\ \tt{x = \frac{198}{3} } \\ \tt{x = 66}$

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$\tt{D) \frac{m}{2} = 3} \\ \tt{m = 3 \times 2} \\ \tt{m = 6}$

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