SOLUTION: Solve by elimination 3x-5y=17 y=-7

Algebra.Com
Question 790348: Solve by elimination
3x-5y=17
y=-7

Answer by waynest(281)   (Show Source): You can put this solution on YOUR website!
3x - 5y = 17
y = -7
3x - 5(-7) = 17
3x + 35 = 17
3x + 35 - 35 = 17 - 35
3x = -18
3x/3 = -18/3
x = -3
check:
3(-6) - 5(-7) = 17
-18 + 35 = 17
17 = 17

RELATED QUESTIONS

3x-y=7 10x-5y=25 solve by elimination,substitution,& graphing (answered by Fombitz)
Solve the two equations below by elimination 3x + 5y = 7 x + y = 2 please help!! (answered by mananth)
solve system by elimimination 3x-5y=1... (answered by addingup)
solve by substitution 9x=3y+12 4=3x-y solve by elimination 3x-16=5y... (answered by ewatrrr)
solve by the elimination method 5x+5y=-7 7x-3y=17 The solution... (answered by njusa)
how to solve a system by elimination? example : 3x - y = 13 and 3x + y =... (answered by ewatrrr,sudhanshu_kmr)
Solve by elimination. -3+2y-5z=-3 3x-y+3z=4... (answered by elima)
Solve the system by elimination. 1) -3x+y=7 4x-2y=3 2) 2x-3y=7 (answered by ewatrrr)
solve each system of linear equations by elimination 2x+5y=7 3x-3y=-21 (answered by nyc_function)