To solve 2x + 3 = 11

we add the opposite of the constant term to both the sides first

2x+3 +(-3) = 11 + (-3)

we need to add -3 to both sides as it is an equation

we get]

2x=8

since x is getting multiplied with 2,we divide both sides by2,to eliminate 2 on the left side

2x/2  =8/2

x = 4