Answer:
n = 5
Step-by-step explanation:
Step 1 :
Step 2 :
Pulling out like terms :
2.1 Pull out like factors :
-4n + 30 = -2 • (2n - 15)
Equation at the end of step 2 :
(0 - -6 • (2n - 15)) - -30 = 0
Step 3 :
Step 4 :
Pulling out like terms :
4.1 Pull out like factors :
12n - 60 = 12 • (n - 5)
Equation at the end of step 4 :
12 • (n - 5) = 0
Step 5 :
Equations which are never true :
5.1 Solve : 12 = 0
This equation has no solution.
A a non-zero constant never equals zero.
Solving a Single Variable Equation :
5.2 Solve : n-5 = 0
Add 5 to both sides of the equation :
n = 5
One solution was found :
n = 5
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