Resolva as equações
A)x-2=10
B)x+4=8
C)4x=-16
D)3y+1=10
E)12x-10=5x+11
F)14-3x=2x+29
G)5x-4=8+2x
H)4(x-1)-2(3x+4)=6
I)2(7x+2)+12(x+1)=2
J)12x=36
K)5(2x+3)=24+x
L)4(2x-3)=5(x+3)
M)2x-5+2(x-8)=7x-(x+3)
N)5x+2x =7-3x
3 2
O)2x-1+3=5x-2
2
P)7x-3x+2=3x-1
3 2
Soluções para a tarefa
Resposta:Segue as respostas abaixo na explicação
Explicação passo-a-passo:
A)x-2=10 B)x+4=8 C)4x=-16 D)3y+1=10
x=10+2 x=8-4 x=16/4 3y=10-1
x=12 x=4 x=4 3y=9
y=9/3
y=3
E)12x-10=5x+11 F)14-3x=2x+29 G)5x-4=8+2x
12x-5x=11+10 -3x-2x=29-14 5x-2x=8+4
7x=21 -5x=15 3x=12
x=21/7 x=15/-5 x=12/3
x=3 x=-3 x=4
H)4(x-1)-2(3x+4)=6 I)2(7x+2)+12(x+1)=2 J)12x=36
4x-4-6x-8=6 14x+4+12x+12=2 x=36/12
-2x-14=6 26x+16=2 x=3
-2x=6+14 26x=2-16
-2x=20 26x=-14
x=20/-2 x=-14/26:2/2
x=-10 x=-7/13
K)5(2x+3)=24+x L)4(2x-3)=5(x+3) M)2x-5+2(x-8)=7x-(x+3)
10x+15=24+x 8x-12=5x+15 2x-5+2x-15=7x-x-3
10x-x=24-15 8x-5x=15+12 4x-20=6x-3
9x=9 3x=27 4x-6x=-3+20
x=9/9 x=27/3 -2x=17
x=1 x=9 x=-17/2
N)5x+2x =7-3x O)2x-1+3=5x-2 2 P)7x-3x+2=3x-1 3
7x=7-3x 2x+2=5x-22 4x+2=3x-13
7x+3x=7 2x-5x=-22-2 4x-3x=-13-2
10x=7 -3x=-24(-1) x=-15
x=7/10 3x=24
x=24/3
x=8