Question

por favor me ajudem : Vamos isolar o x : a) x+y=6
b) 2x+4=y
c) x-2y=3
d) y= 4-2x
e) 7x-3y=6
f) x-y-2=0

Answer 1

a) x+y=6
x=6-y

b) 2x+3=y
2x=y-3
x=y-3/2
c) x-2y=3
x=3+2y

d) y=4-2x
y-4=-2x (-1)
2x= 4-y
x=4-y/2
e)7x-3y=6
7x=6+3y
x=6+3y/7


f) x-y-2=0
x=y+2