hoopster004 hoopster004

22-01-2019
Mathematics

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-3x+2y = 23
5x+2y = -17

solving systems of equations by eliminations

Respuesta :

Ammimochi Ammimochi

22-01-2019

Subtract the 2nd row from the 1st row

-8x = 40

Solve for x in the equation above

x = -5

Substitute x = -5 into any of the two equations above. Let's pick the first equation; -3x + 2y = 23

-3 × -5 + 2y = 23

Solve for y in the above equation

y = 4

Therefore,

x = -5

y = 4

Answer Link

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