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 by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

3x²-x+2-5x²+8x-5

• 8x²+9x+7
• -2x²+7x-3
• 2x²+7x-3
• 5x²-3

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the following expression by combining like terms:
3(2x - 4) + 6x - 1

• 12x - 13
• 12x - 5
• 11x - 2
• -x

Simplify the following expression:
-10x - 9x + 1

• -19x + 1
• -19x² + 1
• -10x - 8
• -19x - 1

Which of the following is equivalent to 8(5f - 7) + 3f ?

• 43f - 7
• -13f
• 43f - 56
• 40f -7 + 3f

-7 + 5x - 3x - 12x

• 10x - 7

• -10x - 7

• -10x + 7

• 10x + 7