SOLUTION: Solve each problem by forming a pair of simultaneous equations. 1) Twice one number added to three times another gives 21. Find the numbers, if the difference betweeb them is 3.

Algebra.Com
Question 463735: Solve each problem by forming a pair of simultaneous equations.
1) Twice one number added to three times another gives 21. Find the numbers, if the difference betweeb them is 3.

Answer by reviewermath(1029)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: Linear System solver (using determinant)
Solve:


Any system of equations:


has solution

or



(x=6, y=3}

RELATED QUESTIONS

twice one number added to three times another gives 21. find the numbers, if the... (answered by elima)
The reciprocal of the square of a number added to twice the reciprocal of the square of... (answered by JimboP1977)
use elimination to solve each system of equations One number added to twice another... (answered by checkley75)
x and y are two numbers where x is greater than y. the sum of the two numbers is 20.... (answered by mananth)
6.4 Part I. Use two variables and two equations to set up each problem. Do not... (answered by ordy)
4. The sum of James’ and David’s ages is 34 years. Five years ago, the sum of twice... (answered by ankor@dixie-net.com)
6.1 I. Solve each system by graphing, and classify the system as dependent or... (answered by Flake)
Solve the following word problem (Hint: setup and solve a system of equations): One... (answered by mananth)
Solve this pair of simultaneous equations by substitution method: y - 3x + 1 = 0 3x +... (answered by LinnW)