" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x²=4
x+y = 2
x=√4
y= 2-x
x=2
y= 2-2
y=0
b)
(x-1)do potęgi 7 = -1
y²-x = 9
x do 7 - 1 = -1
y²= 9+ x
x do 7 =0
y²= 9+x
x=0
y² = 9 + 0
y = √9
y = 3
c)
y - x²= 4
y + x² = 12
2y = 16
y= 8
8+ x² = 12
x²= 4
x= 2