Simplify Pre-Algebraic Expressions

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

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

Simplify the following expression:
a - 8 - 10

• 2a - 18
• a - 18
• a - 2
• a + 18

Simplify the following expression:
-9(14p - 8) - 4p

• 130p - 72
• 122p - 72
• -130p - 18
• -130p + 72

Simplify the expression: -5(x + 4)

• 5x + 4
• -5x + 4
• -5x - 20
• -5x + 20

Simplify the Expression: 5(x + 2) + 2x

• 7x + 2
• 7x + 10
• 5x + 4
• 7x + 7

Simplify the Expression: 10x - 3(2x + 8)

• 4x - 24
• -4x + 24
• 16x - 24
• 14x - 6

Simplify the Expression: -4(x + 6) + 2(x - 2)

• 2x + 28
• 6x - 20
• -2x - 28
• 6x - 28

Simplify the Expression: 2x + 3x - 12x

• 7x
• -7x
• -17x
• 17x

Simplify the Expression: 3(x - y + 5)

• 3x - 3y + 8
• 3xy + 15
• 3x + 3y + 8
• 3x - 3y + 15

Simplify
(3x² +2x -1) - 2(x+4)

• 3x² - 9
• 3x² - 4x - 9
• 3x²+ 4x - 9
• 3x²+ 3x + 1