Simplifying & Solving equations

Simplify the following expression:
3 + 5x + 8 - 2x

• -3x² - 11
• 3x² + 11
• 11 - 3x
• 11 + 3x

Tags

CCSS.7.EE.A.1

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17
• -13x² + 13
• -13x + 17
• -7x + 17

Tags

CCSS.7.EE.A.1

n -10 +9n -3=

• -3
• 9n-3
• n
• 10n -13

Tags

CCSS.7.EE.A.1

2(3v - 8) 

• 6v-16
• 6v-8
• 6v-6
• 6v+8

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

-4(-4d - 5) 

• 16d+20
• -16d+20
• 16d-20
• -16d-20

9a + 10(2a + 1)

• 21a + 1
• 9a +21
• 29a +10
• 39a

3(2x+1)+2(x-4)

• 8x-3
• 8x+11
• 4x-5
• 8x-5

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

x - 32 = 49

• x = 17
• x = 71
• x = 81
• x = 49