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diamong [38]
3 years ago
11

If 4x +5=9x-2,then x=

Mathematics
1 answer:
user100 [1]3 years ago
5 0
<span>4x +5=9x-2
9x - 4x = 5 + 2
5x = 7
  x = 7/5
  x = 1.4</span>
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Step-by-step explanation:

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3 years ago
The angles in a triangle are represented by 5x, 8x, and 2x+9. What is the value of x?
Ahat [919]

Answer:

x = 11.4

Step-by-step explanation:

The sum of the angles of any triangle must add up to 180°.  Since we have the expressions for each angle:  5x, 8x, and (2x +9), we can solve for the variable of 'x' by adding the expressions together and setting them equal to 180:

5x + 8x + (2x +9) = 180

Combine like terms:  15x + 9 = 180

Use inverse operations: 15x + 9 - 9 = 180 - 9

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7 0
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7 0
3 years ago
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