Question

resolva as equações do 1 grau, sendo u=z

a) 3x=12
b) 5x= -10
c) x+7=5
d) -x=6
e) 4x= x+9
f) 3x= 4x+7
g) 4x+10= 2x+40
h) 15x +50= 10x+200
i) 7x+49= 3x+57
j) 27x+81= 24x+243​

Answer 1

a)x=12/3
x=4
b)x=-10/5
x=-2
c)x+7=5
x=5-7
x=-2
d)-6=x
x=-6
e)4x-x=9
3x=9
x=9/3
x=3
f)-7=4x-3x
-7=x
x=-7
g)4x-2x=40-10
2x=30
x=30/2
x=15
h)15x-10x=200-50
5x=150
x=150/5
x=30
i)7x-3x=57-49
4x=8
x=8/4
x=2
j)27x-24x=243-81
3x=162
x=162/3
x=54
Espero que tenha ajudado!qlqr coisa me chama!