I need help on this: why Harry S Truman was in charge of dropping the bomb, where we dropped the bomb, and why we dropped 2 bombs.

Atomic Bomb question

Explanation:

Harry Truman was in charge because Franklin Roosevelt Died from a stroke in April of 1945. We dropped the first bomb on Hiroshima on August, 6,  1945  And then on August 9 1945 we dropped another bomb on Nagasaki. The reason we dropped 2 bombs instead of one is because the whole purpose of dropping the first one was to get Japan to surrender and they didn't so we dropped another one and they finally did surrender. the names of the bombs where Fat man And Little Boy.

8 - (2a + 7) = a + 40     distribute/multiply - into (2a + 7)

8 - 2a - 7 = a + 40

1 - 2a = a + 40       add 2a on both sides

1 = 3a + 40         subtract 40 on both sides

-39 = 3a       divide 3 on both sides

-13 = a

[proof]

8 - (2a + 7) = a + 40

8 - (2(-13) + 7) = -13 + 40

8 - (-26 + 7) = 27

8 - (-19) = 27

8 + 19 = 27

27 = 27

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