Question

(9х+5)-(8x+6)=7 решить уравнение

Answer 1

(9x+5)-(8x+6)=7
9x-8x + 5 - 6 - 7 = 0
x - 8 = 0
x = 8

Answer 2

9х+5-8х-6=7
9х-8х=7+6-5
х=8