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