Question

please help me do this​

Answer 1

Step-by-step explanation:

Solution :

5 - 3(5x + 2) = 4 (7 - 3x) + 1

=> 5 - 15x - 6 = 28 - 12x + 1

=> -1 - 15x = 29 - 12x

=> -15x + 12x = 29 + 1

=> -3x = 30

=> x = 30/-3

=> x = -10

Answer 2

Step-by-step explanation:

Electrostatic force

Magnetic force