Question

15 POINTS!!
plz help i will sure appreciate it!!!
1 question.

Answer 1

Explanation:

a = -3

Factor out the common term 3.

Cancel 3.

Subtract a from both sides.

Simplify 1 + 2a - a to 1 + a

Subtract 1 from both sides.

Simplify -2 - 1 to -3

Switch sides.