Two thirds of a number reduced by 11 is equal to 4 more than the number. find the number.

- 11 = x + 4
(Add 11 on both sides)
 + 11      + 11
 = x + 15  
(Subtract x from both sides)
 - x = x + 15 - x
= 15
(Multiply both sides by -3)
= 15(-3)
x = -45
 

2.4+3.2t. you get the answer by adding the ones with variables and ones without