how do you slove x+3y=-30 9x-12y=3 with substitution and elimation

how do you slove x+3y=-309x-12y=3 with substitution and elimation
1. 0 answers
2. asked by katie
3. 393 views
Solve the system by either elimation or substitution:x+8y=18 y=-2/7x-18/7
1. 1 answer
2. asked by Katrina
3. 456 views
System of equation can be solved by graphing or by using substitution or elimation. What are the pros and cons for each methods?
1. 1 answer
2. asked by Ronny
3. 513 views
i don't know how to slove the/A system by using substitution3x+4Y=9 y=x-3
1. 1 answer
2. asked by jason
3. 462 views
Slove the equation 12 = 36/y using substitution
1. 3 answers
2. asked by Sunshine124
3. 53 views
Slove each system by substitution.4x = y - 1 6x - 2y = -3 I have already attempted this problem and couldn't figure out what I
1. 4 answers
2. asked by David
3. 631 views
12х + 9y = 18-4x-3y=32 Elimation
1. 1 answer
2. 46 views
3x+y=208x-y=46 Use elimation
1. 1 answer
2. 41 views
4s+2b=1002s+3b=70 Usin elimation
1. 1 answer
2. 47 views
Solve using elimation method.-x + 4y = 0.5 -3x – 6y = 10.5
1. 1 answer
2. asked by measey
3. 413 views