1) 2)
1) 7(x+2)=6(x-8) 7x+14=6x-48 7x-6x=-48-14 x=-62 =========== 2) 15(x-1,2)=4(x-10) 15x-18=4x-40 15x-4x=-40+18 11x=-22 x=-22:11 x=-2 =================