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5 votes
4x + 5(7x - 3) = 9(x - 5) what is x

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5 votes

The give equation is expressed as

4x + 5(7x - 3) = 9(x - 5)

The first step is to open the bracket by multiplying the terms inside the bracket with the term outside. It becomes

4x + 5 * 7x + 5 * - 3 = 9 * x + 9 * - 5

4x + 35x - 15 = 9x - 45

Collecting like terms, it becomes

4x + 35x - 9x = - 45 + 15

30x = -30

x = -30/30

x = 1

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