Answer:
71
Step-by-step explanation:
It appears the most in the expression.
Answer: x = 20, y = -15
Step-by-step explanation:
Since we already know that
, we can just substitute in that value of y into the other equation:

with the value of x, we can find the value of y:

No idea what u are asking try to make to more clear for the next person who tryst to help u
It is customary to work left to right, however that is not a rule. In order of operations, the actual rule is that multiplication/division occurs after parentheses, exponents, and before addition/subtraction...
PEMDAS order of operations
Parentheses, exponents, mutiplication/division, addition/subtraction.
Answer:
x = 142
Step-by-step explanation:
√x+2 - 15 = -3 (Given)
√x+2 = 12 (Add 15 on both sides)
x + 2 = 144 (Square both sides to get rid of the radical)
x = 142 (Subtract 2 on both sides)