3х+8х=132

To solve this equation, combine like terms by adding the coefficients of x:

3x + 8x = 132

Adding the coefficients, we get:

11x = 132

To isolate x, divide both sides of the equation by 11:

(11x)/11 = 132/11

Simplifying, we get:

x = 12

So the solution to the equation is x = 12.