I believe the answer is 48 ... hope this helps
the cost of one soccer ball is 150/6 or 25 dollars.
SOLUTION
Write out the equation

To solve this system of equation, the aprropriate method will be substitution
Substitute the expression for y into the second equation for y, we have

Expand the paranthesis we have

Divide both sides by 4, we have

Since the value of x has been obtained, we substitute into the first equation

Therefore
x = -3, y= -4
Answer:
x= -40
Step-by-step explanation:
x+29=-11
Subtract 29 from each side
x+29-29 = -11-29
x =-40