przekształc wzor
(2x+3x)a+2y=y
szukane:
a) a
b) x
c) y
(2x+3x)a+2y=y / - 2y
(2x+3x)a = -y / * -1
-(2x+3x)a = y
(2x+3x)a = -y / : (2x+3x)
a = -y /(2x+3x)
5xa +2y = y / - 2y
5xa = -y / 5a
x = -y / 5a
a)a(5x)=-y
5x=-y/a
5x/-y=1/a
a=-y/5x
b)5x=-y/a
x=-y/5a
c)-5xa=y
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c) y
(2x+3x)a+2y=y / - 2y
(2x+3x)a = -y / * -1
-(2x+3x)a = y
a) a
(2x+3x)a+2y=y / - 2y
(2x+3x)a = -y / : (2x+3x)
a = -y /(2x+3x)
b) x
(2x+3x)a+2y=y
5xa +2y = y / - 2y
5xa = -y / 5a
x = -y / 5a
a)a(5x)=-y
5x=-y/a
5x/-y=1/a
a=-y/5x
b)5x=-y/a
x=-y/5a
c)-5xa=y