Oscardork266id
Answered

Solve the system by substitution:

2x – 3y = -3
y = 2x – 1

Sagot :

Mlcparra16id
We express y in terms of x using the second equation, using the first equation.

2x - 3(2x - 1) = -3
2x - 6x + 3 = -3
-4x = -6
x = 3/2

y = 2(3/2) -1 = 3 -1 = 2