Question

Resolva as equações

X-6= -8
6+X = 6,4
0,5x - 9 = 1,5
4x+3=-19
5x+2 = 2x-1
6 - 3x = -10 - 4x
2(3x - 5 ) = 14
2x - 1 ÷ 5 = 3

Answer 1

1)
x-6= -8
x= -8+6
x= -2

2)
6+x=6,4
x= 6,4-6
x=0,4

3)
0,5x-9=1,5
0,5x=1,5+9
0,5x=10,5
x= 10,5/0,5
x=21

4)
4x+3= -19
4x= -19 -3
4x= -22
x= -22/4 (simplificar por 2)
x= -11/2

5)
5x+2= 2x-1
5x-2x=-1-2
3x=-3
x=-3/3
x=-1

6)
6-3x=-10-4
-3x=-14-6
-3x=-20
3x=20
x=20/3

7)
2(3x - 5)= 14
6x-10=14
6x=14+10
6x=24
x=24/6
x=4

8)
2x -1/5=3
2x= 3+1/5
2x= 15/5+1/5
2x=16/5
x=16/5.1/2
x= 16/10
x= 1,6