Question

Resolva as equações abaixo sendo,u=q
A-×+34=76
B-×+17=9
C-×+15=42
C×-10=15
D-×+27=30
E3×=-7
F-5×=45

Answer 1

A-x+34=76

x = 76 - 34

x = 42

B-x+17=9

x = 9 - 17

x = -8

C-x+15=42

x = 42 - 15

x = 27

Cx-10=15

x = 15 + 10

x = 25

D-x+27=30

x = 30 - 27

x = 3

E3x=-7

x = - 7/3

F-5x=45

x = - 45/5

x = -9

Answer 2

Explicação passo-a-passo:

A) -x+34=76

-x= 76-34

-x=42 × (-1)

x= -42

B) -x+17=9

-x=9-17

-x= -8 ×(-1)

x=8

C) -x+15=42

-x= 42-15

-x =27 ×(-1)

x= -27

D) -x+27=30

-x= 30-27

-x=3 ×(-1)

x=3

E) 3x= -7

x= -7/3

f)-5x=45 × -1

5x=-45

x=-45/5

x= -9