Solving Equations & Inequalities

Solve for d:
-7(6 + d) = 49

• 13
• 1
• -1
• -13

Solve:
2(2t - 3) = 6(t + 2)

• t=9
• t=4
• t=-9
• t=-3

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

• 4
• 3
• 2
• 1

4 - 2(x - 3) = 24

• - 7
• 7
• 14
• - 14

Solve for k.

|k - 9| = 4

• 5, 13

• -5, -13

• 5, -5

• 13

How many solutions does the equation have?

-5 = |g+8|

• no solution

• one solution

• two solutions

8x + 4y= 16 for y

• y = -8x + 16
• y = 2x -4
• y = -2x + 4
• y = -8x + 12

M= i + r ; solve for r

• M-i
• M+i
• -M-r
• -M+i

Solve the formula for r.   What is the 1st step?

• Divide each side by t. 
• Subtract t from each side. 
• Add t to each side. 
• Multiply each side by t. 

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18