Question

найдите корень уравнения
z+5:4=z+61:70

Answer 1

$\frac{z + 5}{4} = \frac{z + 61}{70} \\ 70z + 350 = 4z + 244 \\ 66z = - 106 \\ z = - \frac{106}{66} = - 1 \frac{40}{66} = - 1 \frac{20}{33}$