Math

Solve for both systems 4x+3y=13 and x + 6y = 19

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x + 6y = 19

x + 6y-6y = 19-6y

x= 19-6y

4x+3y=13

4(19-6y)+3y=13

4(19) (4)(-6y)+3y=13

76-24y+3y=13

76-21y=13

76-76-21y=13-76

-21y=-63

-21y/-21=-63/-21

y=3

x= 19-6y

x= 19-6(3)

x= 19-18=1