SOLUTION: Find the value of (b+c+d)/2 for the following system: 2b - (c + d) = 10 c + d = - 2b - 2

Algebra.Com
Question 1131109: Find the value of (b+c+d)/2 for the following system:
2b - (c + d) = 10
c + d = - 2b - 2

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Find the value of for the following system:
.........eq.1
.........eq.2
------------------------------------------add eq.1 and eq.2







go to
.........eq.1..substitute


...both sides multiply by



then



RELATED QUESTIONS

Which of the following are the factors of 4b2 – 16? A. (2b + 4)(2b + 4) C. (2b – 2)(2b + (answered by richwmiller)
Find the sum. Express your answer in simplest form. (14a^2 / 2b) + (3a / 2b) a)... (answered by nyc_function)
if a, b, and c are three consecutive positive integers, which of the following is true?... (answered by Edwin McCravy)
Solve the four equations simultaneously , 2a+c=0 3a+2b+d=3 a+3b+c=2 b+d= -1 (answered by josgarithmetic,ikleyn,MathTherapy)
If b > a > 0, which of the following is less than a / b? A.) 2 B.) b/a C.)... (answered by edjones)
if a=23, b=x², c=x, d=14, and 2b-3c+d=a, what is the value of... (answered by KnightOwlTutor)
(c-2b)2squared + d when a=1,b=-2, c=3, and... (answered by priya)
find the sum. express your answer in simplest form. 14a^2/2b + 3a/2b a. 14a^2+3a/2b b.... (answered by scott8148)
what is the expended form of 2(a^2b^3c)^2 a. 4aaaabbbbcc b. 2aaaabbbbbcccc c.... (answered by jim_thompson5910)