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Solving Simultaneous Linear Equation Using Cramer's Rule

Question 77 S...

Question

Question 77

Solve the following:

3(5x-7)+2(9x-11)=4(8x-7)-111

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Solution

Given, 3(5x-7)+2(9x-11)=4(8x-7)-111
$\Rightarrow 15 x - 21 + 18 x - 22 = 32 x - 28 - 111 \Rightarrow 33 x - 43 = 32 x - 139 \Rightarrow 33 x - 32 x = - 139 + 43 ∴ x = - 96$

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Q. Solve the following equation:

3 (5 z - 7) + 2 (9 z - 11) = 4 (8 z - 7) - 111

Question 77

Solve the following:

3(5x-7)+2(9x-11)=4(8x-7)-111

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Solving Simultaneous Linear Equation Using Cramer's Rule

Standard X Mathematics

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