Question

What is the solution of the equation 6×+3=5×-5

Answer 1

First you must bring all x on one side and all normal numbers on the other side:
6x+3 = 5x - 5 )-5x
1x + 3 = -5 )-3
1x = -8
At last you must divide 8 by the number, that is multiplied with x:
1x = -8 ):1
x = -8