Question

Resolva as equações
G)5x+2=-10-4x
H)6-3x=-10-4x
I)2(3x-5x)=14
J)2x-1=3
5

Answer 1

G) 5x+2 = -10-4×
5x+4× = -10 - 2
9x = 12
x= 12/6
x= 2

H) 6-3x=-10-4x
3x+4x=-10+3
7x=7
x=7/7
x=1

I) 2 (3x-5x)=14
6x-10x=14
-4x=14
x=14/-4
x= -0,3

J) 2x-1=3
2x=3+1
2x=4
x=4/2
x=2