Решите уравнение
1)4(2-3x) +7(6x+1)-9(9x-4)=30
2)2m+5(3-(m+1))=5(2-m) +12

4(2-3x)+7(6x+1)-9(9x-4)=308-12x+42x+7-81x+36=30-51x=30-8-36-7-51x=-21:(-51)x=21/51=7/172m+5(3-(m+1))=4(2-m)+122m+5(3-m-1)=8-4m+132m+15-5m-5=21-4m-3m+4m=21-15+5m=11