ANSWER
x = 47/4 = 11.75
Step-by-step explanation
First we have to apply the distributive property on the left side of the equation and we can add the terms that contain x:
Then we have to put all the x together on the same side of the equation, so we have to subtract 2x from both sides of the equation:
Then add 42 on both sides:
And finally divide both sides by 4: