a) Solve: 15 – 2(5 – 3a) = 4(a - 3) + 13
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Answer:
a = -2
Step-by-step explanation:
Given
15 – 2(5 – 3a) = 4(a – 3) + 13
⇒ 15 – 10 + 6a = 4a – 12 + 13
⇒ 5 + 6a = 4a + 1
⇒ 6a – 4a = 1 – 5
⇒ 2a = –4
∴ a = –2
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Answers:-
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