मराठी

Solve the following system of equations: 101x + 102y = 304 102x + 101y = 305

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प्रश्न

Solve the following system of equations:

101x + 102y = 304

102x + 101y = 305

बेरीज
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उत्तर

Given: 101x + 102y = 304, 102x + 101y = 305.

Step-wise calculation:

1. Subtract the first equation from the second:

(102x – 101x) + (101y – 102y) = 305 – 304

⇒ x – y = 1

⇒ x = y + 1

2. Substitute x = y + 1 into 101x + 102y = 304:

101(y + 1) + 102y = 304

⇒ 101y + 101 + 102y = 304

⇒ 203y + 101 = 304

⇒ 203y = 203

⇒ y = 1

3. Then x = y + 1 = 2.

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पाठ 3: Pair of Linear Equations in Two Variables - EXERCISE 3.3 [पृष्ठ ३.२९]

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आर.डी. शर्मा Mathematics [English] Class 10
पाठ 3 Pair of Linear Equations in Two Variables
EXERCISE 3.3 | Q 26. | पृष्ठ ३.२९
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