Question

Agora responda:
A) X - 12= 20
B) 4X +2=10
C) 18X= 65+43
D) 5X-3X=30
E)4X+10=45 -3x​

Answer 1

a) x-12=20

x=20+12

x=32

b)4x+2=10

4x=10-2

4x=8

x=8÷4

x=2

c)18x=65+43

18x=108

x=108÷18

x=6

d)5x-3x=30

2x=30

x=30÷2

x=15

e)4x+10=45-3x

4x+3x=45-10

7x=35

x=35÷7

x=5