gizzy1274 gizzy1274

17-10-2017
Mathematics

contestada

How do you solve the system of linear equation by multiplying?

5x - 2y = 11
3x + 5y = 19

Respuesta :

thais15 thais15

17-10-2017

5x-2y=11 X=(11+2•2)#5
5x=11+2y X=15#5
X=(11+2y)#5 X=3

3x+5y=19
3•(11+2y)#5+5y=19
(33+6y)#5+5y=19
(33+6y+25y)#5=95#5
33+31y=95
31y=62
Y=2
#significa divisão
•significa multiplicação

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