Question

solve for x 3x+4y=10 and 2x-2y=2 (using elimination method)

Answer 1

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Answer 2

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HERE IS UR ANSWER⬇️⬇️
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▶️3x+4y = 10 ------->(i)
▶️2x-2y = 2 -------> (ii)

USING ELIMINATION METHOD :

Multiplying Equation (i) from '2'
2(3x+4y) = 10
6x+8y = 20 -------->(iii)

Multiplying Equation (ii) from '3'
3(2x-2y) = 2

6x-6y = 6 --------->(iv)

NOW SUBTRACTING Equation (iii) & (iv)
6x+8y = 20
6x-6y = 6
- + -
---------------
14y = 14
y = 1
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Now Putting y = 1 in equation (iii)
6x + 8y = 20
6x + 8(1)= 20
6x = 20- 8
6x = 12
x = 2

SO,VALUE OF x is 2 ✔✔
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