4 is the answer, divide both sides by 3 and get 4
<span>3x + x - 13 + 4 - 6x =12
Combine like terms....
- 2x - 9 =12
Add 9 to both sides....
-2x = 21
Divide both sides by -2 to get x by its self....
x = -21/2</span>
The domain is the input or x value in the coordinate and the range is the output or y value of the coordinate.
Step-by-step explanation:

- Height ( h ) = 4.5 cm
- Base 1 ( b ) = 5.2 cm
- Base 2 ( b ) = 10.8 cm

- Area of the given trapezium


Plug the known values and then simplify !
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Hope I helped ! ツ
Have a wonderful day / night ! ♡
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