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frosja888 [35]
2 years ago
11

-9.39 - 3.4d = -1.1d + 11.08

Mathematics
2 answers:
zimovet [89]2 years ago
4 0

Answer:

d = -8.9

Step-by-step explanation:

-9.39 - 3.4d = -1.1d + 11.08

-9.39 = 3.4d -1.1d + 11.08

-9.39 = 2.3d + 11.08

-9.39 - 11.08 = 2.3d

-20.47 = 2.3d

d = -20.47/2.3

d = -8.9

aalyn [17]2 years ago
3 0

Answer:

d=-8.9

Step-by-step explanation:

Isolate the d variable.

-9.39 - 3.4d = -1.1d + 11.08

-9.39 -2.3d= 11.08

-2.3d= 20.47

d=-8.9

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What is the answer to 7(2e−1)−3=6+6e
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<span>Simplifying
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Reorder the terms:
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Combine like terms: -7 + -3 = -10
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Solving
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Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '-6e' to each side of the equation.
-10 + 14e + -6e = 6 + 6e + -6e

Combine like terms: 14e + -6e = 8e
-10 + 8e = 6 + 6e + -6e

Combine like terms: 6e + -6e = 0
-10 + 8e = 6 + 0
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Add '10' to each side of the equation.
-10 + 10 + 8e = 6 + 10

Combine like terms: -10 + 10 = 0
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8e = 6 + 10

Combine like terms: 6 + 10 = 16
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Divide each side by '8'.
e = 2

Simplifying
<span>e=2
</span></span>
(sorry, i went into depth)
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