M∠A = (6x +4)° and m∠B = (10x + 16)°. Find x if the angles are supplementary. A.12°
B.14°
C.8°
D.10°

Please don't reply just for the points, I really need help understanding these things, if possible please leave me an explanation on how you got this. P. S supplementary angles add up to 180 degrees

d) 10°

Step-by-step explanation:

The sum of supplementary angles always equal 180°.

Since two angles are supplementary, the two angles must add up to equal 180°. Angles A and B are known, so the equation is as follows.

Rearrange and combine like terms:

Isolate x:

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.  

a

step-by-step explanation: