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Solve the Following Equations: 8x + A(X - B) = 10(Ax - B) - Mathematics

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Question

Solve the following equations: 8x + a(x - b) = 10(ax - b)

Sum
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Solution

8x + a(x - b) = 10(ax - b)
⇒ 8x + ax - ab - 10ax + 10b = 0
⇒ 8x - 9ax = ab - 10b
⇒ x(8 - 9a) = b(a - 10)

⇒ x = `("b"("a" - 10))/((8 - 9"a")`.

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Chapter 7: Linear Equations - Exercise 7.1

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Frank Mathematics [English] Class 9 ICSE
Chapter 7 Linear Equations
Exercise 7.1 | Q 7.4
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