Simplifying
4.5x + -7 = 20
Reorder the terms:
-7 + 4.5x = 20
Solving
-7 + 4.5x = 20
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 4.5x = 20 + 7
Combine like terms: -7 + 7 = 0
0 + 4.5x = 20 + 7
4.5x = 20 + 7
Combine like terms: 20 + 7 = 27
4.5x = 27
Divide each side by '4.5'.
x = 6
Simplifying
x = 6
