cg7ggpqzrw
cg7ggpqzrw
02-03-2021
Mathematics
contestada
5x-2y=4
6x+2y=18 PLS HELP FAST
Respuesta :
HajirahBibi
HajirahBibi
02-03-2021
5x - 2y = 4 .......................... (1)
6x + 2y = 18 ....................... (2)
(2) + (1):
5x - 2y = 4 .................... (1)
+) 6x + 2y = 18 .................. (2)
———————————————
11x + 0y = 22
11x = 22
x = 22/11
x = 2
Sub x = 2 into (1):
5(2) - 2y = 4
10 - 2y = 4
-2y = 4 - 10
-2y = -6
y = -6/-2
y = 3
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