Solving Equations Mix Review

3r=12

• 36

• 9

• 15

• 4

Tags

CCSS.7.EE.B.4A

ax + c = R
(solve for x) 

• ax = R + c
• ax = R - c
• x = a(R-c)
• x = (R-c) / a 

Which expression represents the value of x in the equation:
dx + e = f

• x = (f + e)/d
• x = (f - e)/d
• x = d/(e - f)
• x = d/(e + f)

Solve:
7w + 5 = 3w - 15

• 5
• -2
• 2
• -5

3(x + 5) – 6x = -18

Tags

CCSS.8.EE.C.7B

6 + 9r = 9r + 6

• One Solution

• No Solution

• Infinite Solutions

Tags

CCSS.8.EE.C.7A