Question

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

Answer 1

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