Question

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Answer 1

Respuesta:

1.

a + 5 = 42

a = 42 -5

a= 37

2.

x + 3 = 32

x = 32 -3

x = 29

3.

r + 8 =56

r =56-8

r=48

4.

e - 6=20

e= 20 + 6

e=26

5.

c - 2 =17

c=17 + 2

c= 19

6.

d - 4 = 12

d= 12 + 4

d= 16

7.

2x=14

x=2/14

x=7

8.

3x+2=20

3x=20-2

3x=18

x=18/3

x=6

9.

4x-6=14

4x=14 +6

4x=20

x=20/4

x=5

10.

x/6 =30

x= 6 x 30

x = 180

11.

w/2=14

w=2 x 14

w= 28

12.

h/4 = 28

h=28 x 4

h=112