Question

Please help..

Use the Substitution Method to solve the following system of equations.
2x + y = 3
-3x + 4y = 1

(1, 1)

(-1, -1)

(1, -1)

(-1, 1)

Answer 1

from the first equation obtain the value of y
y = 3 - 2x
substitute this value in the second equation
-3x + 4(3-2x) = 1
now solve for x and then find y by plugging the value of x into y = 3 - 2x

Answer 2

Can you take it from here?

Answer 3

you understand what akitav is saying ?