3х+8х=132

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

3x + 8x = 132 11x = 132

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

11x/11 = 132/11 x = 12

Therefore, the solution to the equation 3x + 8x = 132 is x = 12.