Given:
7x + 19 = 2x + 54
The inverse of the equation above will be:
7x - 19 = 2x - 54
Let's solve for x:
Subtract 2x from both sides:
7x - 19 - 2x = 2x - 54 - 2x
7x - 2x - 19 = 2x - 2x - 54
5x - 19 = -54
Add 19 to both sides:
5x - 19 + 19 = -54 + 19
5x = -35
Divide both sides by 5:
ANSWER:
X = -7