Question

Resolva a seguinte incógnita:5x-10-7x+7=27-18x

Answer 1

Olá

5x-10-7x+7=27-18x
5x-7x+18x=27+10-7
-2x+18x=30
16x=30
x=30/16
x=15/8 <---

Answer 2

5 x - 10 - 7 x + 7 = 27 - 18 x

5 x + 18 x - 7 x = 27 + 10 - 7

18 x - 2 x = 30

16 x = 30

x = 30 / 16

x = 15 / 8

Bons estudos!!