Math, asked by cuclucu, 10 months ago

86 – [15x – 7(6x – 9) - 2{10x - 5(2 – 3x)}]

Answers

Answered by mzafar149

3

Answer:

77x + 3

Step-by-step explanation:

86 - [ 15x - 7(6x - 9) - 2{10x - 5(2 - 3x)}]

= 86 - [ 15 x - 42x + 63 - 2{10x - 10 + 15x}]

= 86 - (15x - 42x + 63 - 20x + 20 - 30x)

= 86 - (- 27x + 63 – 20x + 20 - 30x)

= 86 - (- 27x - 30x -20x+ 63 + 20 )

= 86 - (- 57x -20x+ 63 + 20 )

= 86 - (-77x + 83)

= 86 + 77x - 83

= 77x +86 -83

= 77x +3

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