Simplifying Expression by Combining Like Terms

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

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

Simplify by combining like terms:

x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

Simplify by combining like terms:

7t - 3t + t - 3t

• 2t

• 8t - 6t

• 14t

• Can't be simplified

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

• 4x² - 5x + 11

• 11x + 11

• 16x² - 5x + 11

• 10x²

Simplify the expression.

Mathematical Equivalence

ON

(a)  

• F

• G

• H

• J

Match the following to its equivalent expression.

• -5x + 4

• 9x - (-3x) + 5 - 6

• 6x + 1

• -5 - 8x + 9 -(-3x)

• 5x - 4

• -7 + 13x - x + 8

• 12x - 1

• -7x + 8 + 12x - 12

• 12x + 1

• x - (-x) + 1 + 4x

Combine Like Terms to Simplify the expression

Mathematical Equivalence

ON

Nicholas's teacher gave him the final expression "7x+5" and asked him to match this with two correct original expressions given in the list below. Which two original expressions simplify to 7x+5?

• 2x + 1+ 5x + 4

• 10x + 2 - 3x + 3

• x +2 + 4x + 5

• 2x+ 3+ 3x + 4

5a + 2b - 7b + 4a

Mathematical Equivalence

ON