Answer:
x = -3
Explanation:
5x + 20 = 5
Subtract 20 from both sides
5x + 20 - 20 = 5 -20
{If two numbers have different sign, subtract and the result will have the sign of the bigger number. 20 -5 = 15, bigger number is 20, so -15}
5x = - 15
Divide both sides by 5
5x/5 = -15/5
x = - 3