Question

помогите решить уравнение (17x–8x+3):7=12

Answer 1

(17х - 8х + 3) : 7 = 12
9х + 3 = 12 * 7
9х + 3 = 84
9х = 84 - 3
9х = 81
х = 81 : 9
х = 9

Answer 2

(17х-8х+3):7=12
(9х+3):7=12
(9х+3)=12×7
9х+3=84
9х=84-3
9х=81
х=81:9
х=9