Answer:
x= -4
Step-by-step explanation:
2x+4=6x+20
so 2x-6x=20-4
divide both sides by -4
-4x/-4 = 16/4
=-4
Use sine, cosine or tangent of your calculator.
e.g. Q.7
Answer:
58°
Step-by-step explanation:
subtract 32 from 90 and you get the measure of x°
hope this helps