use method of substitution to solve the system of linear equation

Question

3x+4y=3/2 y=2x-1

Answer 1

so, substitute:

y = 2x-1

3x + 4(2x-1) = 3/2
11x - 4 = 3/2
11x = 11/2
x = 1/2
so, y=2x-1 = 0