help please >_< !!
CATS is a square. m/SCA = (3x + 3). Find the value of 'x'.

Answer: 29
Step-by-step explanation:
3x + 3 = 90 since every angle is 90 degrees
Now, solve for x, subtract 3 from both sides: 3x = 87
Then divide both sides by 3: x = 29