96(х--64)=38(2-х)+3(17+2х)+83 решите уравнения -(10х-18)+19(4+3х)=9-21(х+7)+4(18-3х)

1) 96х-96-7х+64 = 76-38х +51 +6х +83

96х - 7х +38х -6х= 76+51+83+96-64

121х = 242

х = 2

2)-10х+18+76 +57х = 9 - 21х -147 +72 - 12х

-10х+57х+21х+12х = 9 - 147 +72-18 -76

80х = - 160

х = -2