SOLUTION: please help me solve this problem -4(3x + 1) = 28 thank you

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: please help me solve this problem -4(3x + 1) = 28 thank you      Log On


   

Question 623082: please help me solve this problem
-4(3x + 1) = 28
thank you
Answer by VirtualMathTutor(26) About Me  (Show Source):
You can put this solution on YOUR website!
-4(3x + 1) = 28
Expand the left side of the equation by multiplying each term in the parentheses by -4:
-12x - 4 = 28
Add 4 to both sides:
-12x - 4 + 4 = 28 + 4
-12x = 32
Divide both sides by -12
-12x%2F-12 = 32%2F-12
x = -32%2F12
Simplify
x = -8%2F3