решите уравнения
6x-3 (x+4)=23-2x
4x+3 (x-3)=40

▪6x-3 (x+4)=23-2x6х-3х-12+2х=235х=23+125х=35х=35÷5х=7------Проверка:6×7-3 (7+4)=23-2×742-3×11=23-1442-33=99=9▪4x+3 (x-3)=404х+3х-9=407х=40+97х=49х=49÷7х=7-------Проверка:4×7+3 (7-3)=4028+3×4=4028+12=4040=40

6х - 3 * (х + 4) = 23 - 2х6х - 3х - 12 = 23 - 2х3х + 2х = 23 + 125х = 35х = 35 : 5х = 7-----------------------------4х + 3 * (х - 3) = 404х + 3х - 9 = 407х = 40 + 97х = 49х = 49 : 7х = 7-------------------------------