Question

resolva a equação
7x-2-5x=18

Answer 1

7x - 2 - 5x = 18
7x - 5x = 18 + 2
2x = 20
x = 20/2
x= 10

Answer 2

7x- 2 -5x = 18
2x = 18 +2
x = 20/2
x= 10