2x-3=18

Move all terms not containing x to the right side of the equation.

Add 3 to both sides of the equation.

2x=18+3

Add 18 and 3.

2x=21

2x=21

Divide each term by 2 and simplify.

Divide each term in 2x=21 by 2.

2×2=212

Cancel the common factor of 2.

Cancel the common factor.

2×2=212

Divide x by 1.

x=212

x=212

x=212

x=212

Since x=212 is a vertical line, there is no y-intercept and the slope is undefined.

Slope: Undefined

y-intercept: No y-intercept

Graph 2x-3=18