Question

3- Resolva:
a) X-3 = 7
b) 17 + x = 25
c) 2x - 4 = 22​

Answer 1

a) X-3 = 7

x= 7+3

x= 10

b) 17 + x = 25

x = 25 - 17

x= 8

c) 2x - 4 = 22

2x =22 + 4

2x = 26

x = 26 ÷ 2

x = 13