3х+8х=132

To solve the equation 3x + 8x = 132, we need to combine like terms on the left side of the equation:

3x + 8x = 132 11x = 132

Next, we isolate the variable x by dividing both sides of the equation by 11:

(11x)/11 = 132/11 x = 12

Therefore, the solution to the equation is x = 12.