- 6.5
- 3.5
- 4.5
- 7.6

Option 1 : 6.5

**Given:**

6q + 7q = 169 - 26q + 13q

**Concept:**

Separate the variables and non variables terms.

**Calculation:**

6q + 7q = 169 - 26q + 13q

⇒ 13q = 169 - 13q

⇒ 13q + 13q = 169

⇒ 26q = 16

⇒ q = 169/26

⇒ q = 6.5

**∴ q is 6.5**

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