goldcoindoge5 goldcoindoge5

23-03-2019
Mathematics

contestada

5x-3y=18
3x+3y=30
Please help

Respuesta :

Ammimochi Ammimochi

23-03-2019

Solve for x in 5x - 3y = 18

x = 3(6 + y)/5

Substitute x = 3(6 + y)/5 into 3x + 3y = 30

9(6 + y)/5 + 3y = 30

Solve for y in 9(6 + y)/5 + 3y = 30

y = 4

Substitute y = 4 into x = 3(6 + y)/5

x = 6

Therefore,

x = 6

y = 4

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