Topic 7 Review (7th) 2025

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions
• x = 1
• x = -1
• no solution

3a + 9 + 4a = 2

• -1
• 1
• no solution
• -7

-(n - 8) = -2

• 6
• 10
• -10
• -6

Solve.

 $3n+2=-2n-8$  

• n = -2

• n = 2

• n = 5

• n = 4

Solve

 $-q-11=2q+4$  

• q = -5

• q = 5

• q = 15

• q = -15

 $50\ =-5\left(6n\ +\ 8\right)$  

•  $n\ =9$  

•  $n\ =\ -3$  

•  $n\ =-10$  

•  $n\ =\ -20$  

Solve for x.

 $\frac{1}{2}\left(\frac{1}{2}x+6\right)=\frac{5}{4}\left(x-6\right)$  

•  $10\ \frac{1}{2}$  

•  $-10\ \frac{1}{2}$  

•  $10\ \frac{1}{4}$  

•  $-10\ \frac{1}{4}$  

Solve:
2x + 1 = 2x - 1

• No Solution
• x = 0
• Infinitely Many Solutions

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions