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kirill115 [55]
3 years ago
11

Solve the equation 2 ( a + 10) = 56

Mathematics
1 answer:
Hatshy [7]3 years ago
3 0
Answer: a = 18

explanation:
2(a + 10) = 56 -> distribute the 2
2a + 20 = 56 -> subtract 20 from both sides
2a = 56 - 20
2a = 36 -> divide both sides by 2
a = 18
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Sergeu [11.5K]

Answer:

82 cm

Step-by-step explanation:

In rectangles diagonals are equal and bisect each other

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Subtract 1 from  both sides

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The graph in the attached figure

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see the attached figure

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