Question

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

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

86 - (15x - 42x +63) - 2( 10x - 10 +15)

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

86-(-7x) - 53

-7x = -53-86

-7x = -139

X = -139/-7