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Levart [38]
2 years ago
10

2(7x-9)=5(x+3) Solve for x

Mathematics
1 answer:
Nadya [2.5K]2 years ago
7 0

Answer:

x = 3.67

Step-by-step explanation:

Simplify both expressions

14x - 18 = 5x + 15

Subtract the bigger (n)x by the smaller

14x - 5x = 9x

Plus the smallest by itself, giving you:

9x - 18 = 15

     +18   +18

9x = 33

Simplify ( divided by 3 )

3x = 11

x = 3.67

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Answer:

g(h(10)) = 2\sqrt 2

Step-by-step explanation:

Given

g(x) = \sqrt {x - 4

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Required

g(h(10))

First, calculate g(h(x))

We have:

g(x) = \sqrt {x - 4

This gives:

g(h(x)) = \sqrt {h(x) - 4

Substitute h(x) = 2x - 8

g(h(x)) = \sqrt {2x - 8 - 4

g(h(x)) = \sqrt {2x - 12

Substitute x = 10

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g(h(10)) = \sqrt {8\\

Split

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This gives

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