Question

[7-3x+10y-(x-2y)-[5x+2y-10]​

Answer 1

SOLUTION

TO EVALUATE

[7-3x+10y-(x-2y) ] -[5x+2y-10]

EVALUATION

[7-3x+10y-(x-2y)] -[5x+2y-10]

= [ 7-3x+10y - (x-2y)] - [ 5x+2y-10 ]

= [7-3x+ 10y-x + 2y] -[5x+2y-10]

= [ 7 - 4x + 12y ] - [ 5x + 2y - 10 ]

= 7 - 4x + 12y - 5x - 2y + 10

= - 9x + 10y + 17

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