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3 years ago

4.

Mathematics

1 answer:

avanturin [10]3 years ago

4 0

Answer:

A.) x / 3 = 12 ----> x = 12(3) ----><em> </em><em>x = 36</em>

B.) 2x + 3 = 20 ----> 2x = 17 ----> x = 17/2

C.) 4/3x = 10/3 ----> x = 10/3 x 3/4 ----> x = 30/12 = 5/2

D.) -4x = -24 ----> x = -24/-4 ----> x = 6

E.) 2(x-4) = 10 ----> 2x - 8 = 10 ----> 2x = 18 ----> x = 9

F.) -0.5x + 1.1 = -2.9 ----> -0.5x = -4 ---> x = -4 / -0.5 ----> x = 8

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What's the value of x? (Hint: it's not 7) and please explain

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Hey there!

4x + 7 + 35 = 90°

4x + 42 = 90°

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