Question

me ajude estou com dificudade nesas conta

A 7w+15=-34
B-31+4A=-55
C-56+19X=18
D -15-2W=-17

Answer 1

a) 7w+15=-34

7w=-34-15

7w=-49

w=-49/7

w=-7

b)-31+4a=-55

4a=-55+31

4a=-24

a=-24/4

a=-6

c)56+19x=18

19x=18-56

19x=-38

x=-38/19

x=-2

d)-15-2w=-17

-2w=-17+15

-2w=-2

w=-2/-2

w=1

Answer 2

Resposta

a) 7w+15=-34

7w=-34-15

7w= -49

w=-49/7

w= -7

-----------------

b) -31+4a= -55

4a= -55+31

a= -24/4

a= -6

-------------------

c) 56+ 19x= 18

19x= 18-56

19x= 38

x= 38/19

x= 2

--------------------

d) -15-2w=-17

-2w= -17+15

-2w= -2

w= -2/-2

w= 1