Answer: a = 5
Step-by-step explanation:
To solve, we will isolate the variable a.
Given:
2а + 20 = -3а - 5
Add 3a to both sides of the equation:
5а + 20 = - 5
Subtract 20 from both sides of the equation:
5а = 25
Divide both sides of the equation by 5:
a = 5
