Posted by Lori on Monday, March 29, 2010 at 8:13pm.
5n+15=4n+12
-4n -4n
n+15=12
-15 -15
n=-3
Check 5(-3+3)=3(2*-3 +6)
5(0)=3(16+6)
0=3(0)
0=0
4x-4+2x+8
6x+4
Thank you
Related Questions
MATH - Solve the equation 5(n+3)=2(2n+6) Simplify 4(x-1)+2(x+4)
algebra - So... I know the answer to the question because it's something we ...
algebra - Find two consecutive positive integers such that the sum of their ...
Math - How would I begin to simplify this?? (4((n(n+1)(2n+1))/6)-4((n(n+1))/2)+n...
maths - 2(n-5) = 4 (n+2) Solve the equation is the answer -0.3 ? 2(n-5) = 4 (n+2...
bobpursley, math,correction - Let n be a postive integer, then n+1 is the next ...
math - Solve each formula for n. 2n = 4xp-6 3m-n=4s r/n+2=p t=100(n+3) pv/nR=T ...
8th grade math Ms. Sue - How is an inequality different from an equation? Give a...
Math - Pre-Calc - So far I got it down to ((4/3)n^3+(11/6)n^2)/((4/3)n^3)+(2n^2...
Abstract Algebra - If 2^n>n^2 and n>5, then 2^n+1>(n+1)^2 ...
For Further Reading