\(3(5z-7)-2(9z-11)=4(8z-13)-17\)
\(\Rightarrow\) \(15z - 21 - 18z + 22 = 32z - 52 - 17\) (Opening the brackets)
\(\Rightarrow\) \(- 3z + 1 = 32z - 69\)
\(\Rightarrow\) \(- 3z - 32z = - 69 - 1\)
\(\Rightarrow\) \(- 35z = - 70\)
\(\Rightarrow\) \(z = \frac{70}{35}\)
\(= 2\)
Say whether the following are true or false.
1. Ignesious lost his wife, two children, his father-in-law, and his brother-in-law in the tsunami.
2. Sanjeev made it to safety after the tsunami.
3. Meghna was saved by a relief helicopter.
4. Almas’s father realised that a tsunami was going to hit the island.
5. Her mother and aunts were washed away with the tree that they were holding on to.