renagello
renagello
19-06-2018
Mathematics
contestada
what is the value of x 1/5×-2/3y=30 when y=15
Respuesta :
annshiro1989
annshiro1989
26-06-2018
Equation.
1/5 x - 2/3 y = 30
y= 15
Substitution.
1/5 x - 2/3 (15) = 30
1/5 x - 10 = 30
1/5 x = 30 + 10
1/5 x = 40
x = 200.
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