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100

14x + 2x 

14x + 2x= 16x
100

3 × (5+2)

3 × (5+2) = 3x5 , 3x2 

100

42x + 23y + 38x

42x + 23y + 38x= 80x + 23y

200

14x + 2x + 3y + 12y

14x + 2x + 3y + 12y= 16x+15y

200

4  x (2x8)

4 x (2x8) = 4x4 , 4x8

200

43y + 21y + 6xy + 8xy

43y + 21y + 6xy + 8xy = 14xy + 64y

300

12x + 32x 

12x + 32x = 42x

300

8 x (3x7)

8 x (3x7) = 8x3 , 8x7

300

54y + 28x +90xy + 1y

54y + 28x + 90xy + 1y = 55y + 28x + 90xy

400

36xy + 12x + 14 xy + 241y

36xy + 12x + 14 xy + 241y= 50xy + 12x + 241y

400

6 (8x3)

6 (8x3) = 6x8 , 6x3

500

81x + 1983x + 31y + 41y +89x

81x + 1983x + 31y + 41y +89x= 2273x + 72y

500

8 (6x9)

8 x (6x9) = 8x6 , 8x9