Question

а)13х=32.89
б)1.6*(х-3.5)=4.64​

Answer 1

Ответ:

$13x = 32.89 \\ x = 32.89 \div 13 \\ x = 2.53$

__________________

$1.6(x - 3.5) = 4.64 \\ 1.6x - 5.6 = 4.64 \\ 1.6x = 4.64 + 5.6 \\ 1.6x = 10.24 \\ x = 10.24 \div 1.6 \\ x = 6.4$