Answer:
a = -3
Step-by-step explanation:
3a−6a+2=8a+20−5a ( original equation)
Step 1: Simplify both sides of the equation.
3a−6a+2=8a+20−5a
3a+−6a+2=8a+20+−5a
(3a+−6a)+(2)=(8a+−5a)+(20)(Combine Like Terms)
−3a+2=3a+20
−3a+2=3a+20
Step 2: Subtract 3a from both sides.
−3a+2−3a=3a+20−3a
−6a+2=20
Step 3: Subtract 2 from both sides.
−6a+2−2=20−2
−6a=18
Step 4: Divide both sides by -6.
−6a/−6 = 18/-6
a=−3
