Question

F)2(x-5)+4(x-1)=0
G)3(2x-1)=2(x+1)+3
H)3(x-1)-2(x-3)=10
I)2(x-6)=-3(5+x)
J)3(x+10)-2(x-5)=0
K)3(x-1)-(2x-4)=1
L)7(x-1)-2(x-5)=x-5

Answer 1

Resposta:

f) x= 7/3. j) x= -40.

g) x= 2. k) x= 0.

h) x= 7. l) x= -2.

i) x= -3/5.

Explicação passo-a-passo:

f) 2(x-5)+4(x-1)= 0

2x-10+4x-4= 0

6x-14= 0

6x= 0+14

6x= 14

x= 14÷6

x= 14/6

x= 7/3

g) 3(2x-1)= 2(x+1)+3

6x-3= 2x+2+3

6x-3= 2x+5

6x-2x= 3+5

4x= 8

x= 8÷4

x= 2

h) 3(x-1)-2(x-3)= 10

3x-3-2x+6= 10

x+3= 10

x= 10-3

x= 7

i) 2(x-6)= -3(5+x)

2x-12= -15-3x

2x+3x= 12-15

5x= -3

x= -3÷5

x= -3/5

j) 3(x+10)-2(x-5)= 0

3x+30-2x+10= 0

x+40= 0

x= 0-40

x= -40

k) 3(x-1)-(2x-4)= 1

3x-3-2x+4= 1

x+1= 1

x= 1-1

x= 0

l) 7(x-1)-2(x-5)= x-5

7x-7-2x+10= x-5

5x+3= x-5

5x-x= -3-5

4x= -8

x= -8÷4

x= -2