Answer:
39
Step-by-step explanation:
step 1:
150+30=180
the other angle is 30 degrees
step 2:150 and 4x-6 are complementary angles
so 150=4x-6
step 3:
Finally you have to plug in 4x-6 to the equation to solve for x
4x-6+30=180
4x+24=180
4x=156
x=39
hope this helps!
