X + 11 + 8x = 29. We need to solve for x. First, on the left side, you have "x" and "8x": You can always add 2 numbers with the same variable, so you have 1 number: x + 8x = 1x + 8x = (1+8)x = 9x
So we get: 9x + 11 = 29
Now subtract 11 from both sides (You can't do any operation if you don't do it both sides), so you can get the variable alone on the left side, and the numbers on the right side: 9x + 11 = 29 9x + 11 - 11 = 29 - 11 9x = 18
Now divide both sides by 9, so you can transform the coefficient of x to one, and have the numeric value of x on the right side: 9x = 18 (9x)/9 = 18/9 x = 2
So x+11+8x = 29 for x = 2.
You can recheck your answer (very important): x + 11 + 8x = 2 + 11 + 8*2 = 2 + 11 + 16 = 13 + 16 = 29 The answer has been approved.
Your answer will be 2.5. see when you write the the equation you always want to keep the x positive so you will subtract x from 8x to get 7x. then you will take 11 x and subtract it from 29 leading it to be 18. then you want to get the x by itself so you will take 7x divided by 7 and 18 divided by 7 and you'll get x=2.5. Hoped it helped!!
