SOLUTION: 6x+5y=30
x=y+5
how do we solve and prove?
Algebra.Com
Question 1005807: 6x+5y=30
x=y+5
how do we solve and prove?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
From
6x + 5y = 30 and
x = y + 5
we should substitute the second equation into the first and get
6(y + 5) + 5y = 30
6y + 30 + 5y = 30
11y + 30 = 30
11y = 0 and
y = 0
x is the 5.
RELATED QUESTIONS
How do you solve for y?... (answered by checkley77)
How do you solve these questions.
18-5y=y+4
-7a-10=20-3a... (answered by stanbon)
how do you solve 3y+2x=-x+5 and... (answered by Fombitz)
How do you solve:
5x+3y-2z=112
7x+5y=70
3x+y=9z+96
and
3w+3x+6y+5z=10... (answered by longjonsilver)
how do you solve this 5/11x + 23/11 = -2/6x + 17/3 solve for x and substitute for... (answered by Alan3354)
How do we solve this problem?... (answered by persian52)
how do you use substition to solve the equation?
y=x+2... (answered by JBarnum)
How do you solve this equation?
Given: 3(x+4)-2(y+2)=3
Prove: y= 3/2x +... (answered by solver91311)
how do I solve? 6x – 0.37 = 5(x –... (answered by longjonsilver)