Answer:
x = -20
Step-by-step explanation:
[tex] - 2.5x - 10 = 40[/tex]
Collect like terms and simplify
[tex] - 2.5x = 40 + 10 \\ - 2.5x = 50[/tex]
Divide both sides of the equation by -2.5
[tex] \frac{ - 2.5x}{ - 2.5} = \frac{50}{ - 2.5} [/tex]
Simplify
[tex]x = - 20[/tex]
