3[-x+(2x+1)]=x-1 whay is x?

well tbh, x will always just equal 1 unless it's next to another number.

Step-by-step explanation:

so the answer is x= 2 btw idk just in case ig

3 ( - x + 2x + 1) = x -1 ( add 1 and 2x together)

3 ( x + 1 ) = x- 1. ( -x and + 2x are like terms)

get rid of parentheses. 3x + 3 = x - 1

moved variable (x) to the left hand side and change its sign. 3x - x + 3 = -1 / 3x - x = 1 - 3

2x - 1 - 3

2x = - 4

x= -2

b) 36

step-by-step explanation:

18 times 2 is 36

total amount to be paid = $19.5

step-by-step explanation:

given ,

original price = $25.99

discount = 25%

discount amount = 25% of original price

discount amount = 25/100   * 25.99

discount amount = $6.49

hence , the total amount to be paid = original price - discount amount

                                                            = $25.99 - $6.49

                                                            =$19.5

total amount to be paid = $19.5