mapboy9
mapboy9
14-03-2017
Mathematics
contestada
Solve by substitution ANSWER NOW
Respuesta :
texaschic101
texaschic101
14-03-2017
y = -5x + 9
y = 5x + 7
5x + 7 = -5x + 9
5x + 5x = 9 - 7
10x = 2
x = 2/10 reduces to 1/5
y = 5x + 7
y = 5(1/5) + 7
y = 1 + 7
y = 8
solution is (1/5,8)
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