Question

Determine whether the point (2, -3) is on the graph of each equation-

1) 4x + y= 11

2) 10x - 4y = 23

Answer 1

1. Solving for x. Want to solve for y instead?

1 Subtract yy from both sides.

4x=11-y

4x=11−y

2 Divide both sides by 44.

x=\frac{11-y}{4}

x=

4

11−y