I believe that number one is 4<span />
X = -3
Pull out the like terms: -7x - 21 = -7 × ( x + 3)
Solve: -7 = 0
Solve: x + 3 = 0
Subtract 3 from both sides of the equation
So, x = -3
Answer:
9
Step-by-step explanation:
6y/x
6*3/2
18/2
9
Been a bit since i’ve done this kind of problem.
X+4=20
X is the number of hours needed to work, while 4 is the hours already there.
One-third of a number x is equal to 22 less than the number.
(1/3)x=x-22
