Question

resolvas as equacoes A)2x-4=3B)4x+2=-18C)5x-2=7+6D)10x+1=-4-5

Answer 1

A) 2x - 4 = 3

2x = 3 + 4
2x = 7
x = 7/2
.
.
.
B) 4x + 2 = -18

4x = -18 - 2
4x = -20
x = -20/4
x = -5
.
.
.
C) 5x - 2 = 7 + 6

5x = 13 + 2
5x = 15
x = 15/5
x = 3
.
.
.
D) 10x + 1 = -4 - 5

10x = -9 - 1
10x = -10
x = -10/10
x = -1




★Espero ter ajudado!