## Prealgebra (7th Edition)

4x+3 =2x+11 Subtract 3 from both sides 4x+3 -3 =2x+11 -3 4x=2x+8 Subtract 2x from both sides 4x -2x=2x+8 -2x 2x =8 Divide by 2 on both sides $\frac{2x}{2}$=$\frac{8}{2}$ x=4 The solution is 4 Check 4x+3 =2x+11 Replace x with 4 4$\times$4+3 =2$\times$4+11 16+3 = 8 +11 19=19