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Simplify: 6x + 12x + 3 y

• 21x

• 18x + 3y

• 72x + 3y

• 6x + 15y

Simplify: 8x² + 5x + 2y + x

• 14x + 2y

• 13x²+ 2y + x

• 8x² + 6x + 2y

• 8x² + 7xy + x

Simplify: 5 + 11y + 2

• 5 + 11y

• 18y

• 11y + 7

• 11y + 3

Simplify: 15x + 19 + 2x + 4

• 17x + 15

• 17x + 23

• 30x + 15

• 13x + 15

Simplify: 11a + 5c + 3a

• 6a - 5c

• 14a + 5c

• 14a - 5c

• 8a - 5c

Simplify: x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

Simplify: 4q + 4t + 3q + t

• 12tq

• 3q + 4t

• 7q + 5t

• Can't be simplified

Simplify: 10w + 3d + 3w + d

• 13w + 4d

• 17wd

• 13w + 3d

• Can't be simplified

Simplify: m + m + m + m

• 4m

• m⁴

• m

• Can't be simplified

y + x + y + y + x 

• 2 + 3 
• x + y 
• 2x + 3y 
• 5xy