Question

use the substitution method to find the value of y in the given system of equations.express non-integer values as fractions in lowest terms.

y=2x+5
x+y=4

Answer 1

Put y = 2x + 5 in second equation :

x + 2x + 5 = 4

3x = -1

x = -1/3 and then put this value in x + y = 4 to get the value of y..

Getting or not??

Answer 2

yupp i get it thank you! i got 13/3 for the vaule of y is that correct?