Posted by Candy on Wednesday, August 26, 2009 at 5:35pm.
how do you solve this equation: 12n=9(n+10)
- math - Ms. Sue, Wednesday, August 26, 2009 at 5:49pm
12n = 9n + 90
12n - 9n = 9n - 9n + 90
3n = 90
n = ?
- math - DrBob222, Wednesday, August 26, 2009 at 5:51pm
12n = 9n+90
Move unknown (n) to the same side by subtracting 9n from both sides.
12n-9n = 9n-9n+90
divide both sides by 3.
3n/3 = 90/3
Answer This Question
More Related Questions
- Math - Solve and check each equation 1a. 12n=36 n=3 1b. n-5=8 n=13
- algebra - What inequality represents the sentence the product of a number and 12...
- college math - i have 12n how would 12n look if it was multiplied by 12
- MATH - WRITE A WORD PROBLEM FOR THE EQUATION 12N-45=504.
- Algebra - 1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 ...
- Math - 1. Solve the equation. -6g = 42 a. g = 7 b. g = -7 c. g = 252 d. g = -252...
- MATH - I NEED TO SOLVE FOR Y AND X im getting rele confused on this. ok here is ...
- algebra 2 - 1. 5x+2>3x+10 =x>4 2. 8+2x< or equal too 6x-20 x> or ...
- Quick math help - I need help with solving these problems. When I checked it it ...
- calculus - find the resultant of each pair of forces acting on an object a) ...