Question

Решите уравнения:
5(2x-9)=3(9-2x)
10y+2(7y-2)=5*(5y+3)+3y
5(x+3)=8(10-x)
8(3z-2)-13z=5(12-3z)+7z
15(x+2)=6(2x+7)
13t-8(3t-2)=-7y-5(12-3t)

Answer 1

10х-45=27-6х;10+6х=27+45;16х=72;х=72:16 ;х=45