To check if 3-6x=53 is true or not, you can substitute the value of x into the equation and see if the left-hand side (LHS) equals the right-hand side (RHS).
For example, if we assume that x= -8, then we can substitute this value into the equation:
3 - 6x = 53
3 - 6(-8) = 53
3 + 48 = 53
The LHS equals 51, which is not equal to the RHS of 53. Therefore, the equation is not true for x = -8.
You can try substituting different values of x and see if the equation holds true for any of those values. If there is a value of x that makes the equation true, then the equation is valid. Otherwise, the equation is not true for any value of x.