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Let's solve each equation step by step:

**a)** \( 7a = 56 \)
- Divide both sides by 7:  
  \( a = \frac{56}{7} = 8 \)

**d)** \( 9x = 72 \)
- Divide both sides by 9:  
  \( x = \frac{72}{9} = 8 \)

**g)** \( \frac{y}{4} = 8 \)
- Multiply both sides by 4:  
  \( y = 8 \times 4 = 32 \)

**j)** \( \frac{d}{3} = -3 \)
- Multiply both sides by 3:  
  \( d = -3 \times 3 = -9 \)

The solutions are:
- a: \( a = 8 \)
- d: \( x = 8 \)
- g: \( y = 32 \)
- j: \( d = -9 \)

Would you like more details on any of these solutions?

Here are some related questions for further practice:
1. Solve \( 5a = 45 \).
2. Solve \( 8x = 64 \).
3. Solve \( \frac{z}{5} = 9 \).
4. Solve \( 10a = 80 \).
5. Solve \( \frac{b}{2} = -7 \).

**Tip:** When solving simple equations, isolating the variable by performing the inverse operation (e.g., dividing or multiplying) is key.

Solve the following equations: a) 7a = 56, d) 9x = 72, g) y/4 = 8, j) d/3 = -3

Learn how to solve basic linear equations such as 7a = 56, 9x = 72, y/4 = 8, and d/3 = -3. This step-by-step guide covers essential algebraic concepts like inverse operations and solving for variables. Ideal for students in Grades 6-8.

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