Answer:
a = -3
Step-by-step explanation:
-2(a-3)=12
distribute the -2 to the terms in the paranthesis
-2a + 6 = 12
minus 6 both sides
-2a = 6
divide -2 both sides to isolate a
a = -3
I hope this was helpful (:
Answer: a=-3
Step-by-step explanation: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
-2*(a-3)-(12)=0
(0 - 2 • (a - 3)) - 12 = 0
Pull out like factors :
-2a - 6 = -2 • (a + 3)
-2 = 0
A a non-zero constant never equals zero.
Solve : a+3 = 0
Subtract 3 from both sides of the equation :
a = -3
