Question

Resolva as equações
A)5x-20=-x+10
B)-10+x=2x+20
C)-2(3x+5)=-7x+2(-x+1)
D)3x/2-10=5x-20
E)x/5-2=20-2
F)-(-x-10)=20(-1)-2x)
G)x/6-2=1/8-2

Answer 1

Resposta:

!!

Explicação passo-a-passo:

a- 2(2x-5)

Answer 2

Resposta:

a)5×+×=10+20

6×=30

×=30/6

×=5

b)×-2×=20+10

-1×=10

×=10/-1

×=-10

c)3×+7×+×=1+2+2-5

11×=0

×=0

d)3×-5×=-20+10/2

-2×=15

×=15/-2

e)×=20-2-5+2

×=11

f)-×+2×=20-1+10

×=29

g)×=1/8-2-6+1

×=-1