Answer:
4.24
Step-by-step explanation:
5.3x − 8.14 + 3.6x + 9.8
group the numbers on one side and the x's on the other
5.3x + 3.6x - 8.14 + 9.8
solve
8.9x + 1.66
Brainliest pls ;)
4.99750499002
x = 15.42
cos 63° = 7/x
0.4540 x = 7