Solve:


By cross multiplication
5(2 - 9z) = 4(17 - 4z)
⇒ 10 - 45z = 68 - 16z
⇒ - 45z + 16z = 68 - 10
![]()
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Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
Solve:


By cross multiplication
5(2 - 9z) = 4(17 - 4z)
⇒ 10 - 45z = 68 - 16z
⇒ - 45z + 16z = 68 - 10
![]()
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
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