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Ilya [14]
3 years ago
13

-3(2x+5)+4x=11 slove

Mathematics
1 answer:
Naddik [55]3 years ago
3 0
-3 (2x + 5) + 4x = 11     Use the Distributive Property
     -6x - 15 + 4x = 11    Combine like terms (-6x and 4x)
             -2x - 15 = 11    Add 15 to both sides
                   -2x = 26   Divide both sides by -2
                      x = -13
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If the angles on this diagram were labeled this would be a lot easier to describe, but here goes...
We need to find the angle they are calling “1”, at the bottom of the triangle on the far left of the diagram. In order to find that angle, we have to find the other 2 angles first.
The top left corner of the diagram is marked as a right angle (90 degrees) with a line dividing that angle. If one part is 36 degrees, the other is 54 (90-36=54).
Now look in the middle of the diagram where the 2 lines criss-cross. A straight line is 180 degrees...since we see that the one angle in the middle is 88 degrees, the other part of it must be 92 degrees (180-88=92).
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3 years ago
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Step-by-step explanation:

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