Question

(9х+5)-(8х+6)=7 Решите уравнение.

Answer 1

(9х+5)-(8х+6)=7
9х+5-8х-6=7
9х-8х=7+6-5
х=8

Answer 2

(9x+5)-(8x+6)=7
9x+5-8x-6=7
x-1=7
x=7+1
x=8