7x-4x plus 2x plus 5 equals 2x plus 14?

7 x - 4 x + 2 x+5 = 2 x + 14 --- (1)

Shift those terms containing "x" on left side and constants on other side

7 x - 4 x + 2 x - 2 x = 14 - 5

We will get

3 x = 9

Divide both sides by "3" we get;

x = 3