Решите: 21*(3-х)=12 3х-2*(2-х)=7*(х-2) 12/(1-x)=4/(3x-1) | х+11 | = 11 2b - 2*(a+3x) =2b 8*(2x-1)-2*(8x-3)=2

Question

Математика: Решите: 21*(3-х)=12 3х-2*(2-х)=7*(х-2) 12/(1-x)=4/(3x-1) | х+11 | = 11 2b - 2*(a+3x) =2b 8*(2x-1)-2*(8x-3)=2

лоллрр · Answer

63-21х=12-21х=12-63-21х=-51х=-51: (-21) х=2, 42...

Решите: 21(3-х)=12 3х-2(2-х)=7(х-2) 12/(1-x)=4/(3x-1) | х+11 | = 11 2b - 2(a+3x) =2b 8(2x-1)-2(8x-3)=2