Answer:
[tex] - 3x + 10 = - 20 \\ - 3x = - 20 - 10 \\ - 3x = - 30 \\ \frac{ - 3x}{ - 3} = \frac{ - 30}{ - 3} \\ x = 10[/tex]
Steps to solve:
-3x + 10 = -20
~Subtract 10 to both sides
-3x + 10 - 10 = -20 - 10
~Simplify
-3x = -30
~Divide -3 to both sides
-3x/-3 = -30/-3
x = 10
Best of Luck!
