Answer:
Answer is below
Step-by-step explanation:
Add 9 to both sides.

Divide both sides by 6

3x12/(4+2)
36 divided by 6 = 6
Your answer is A 6
I think its 2 (not sure though just a guess)
Answer:
x = 
Step-by-step explanation:
Given
x +
+ (x - 1) = 
Multiply through by 10 ( the LCM of 2 and 5 ) to clear the fractions
10x + 15 + 10(x - 1) = 8
10x + 15 + 10x - 10 = 8
20x + 5 = 8 ( subtract 5 from both sides )
20x = 3 ( divide both sides by 20 )
x = 
Answer:
hmg = E
Step-by-step explanation:
Step 1: Write equation
h = E/mg
Step 2: Multiply both sides by mg
hmg = E