If $$ {y={2x-1\over x+3}}$$ find x when y=1

Evaluate: $${-(4-6)^2-3(-2)+।-6।\over 18-9÷3×5}$$

If the sum of the squares of three consecutive natural numbers is 110, then the smallest of these natural numbers is:

25.6% of 250 +√ ? = 119

  $$25\% \ of (50\% \ of \ 30\% \ of \ 150)\over 40\% of \ 2250$$ is equal to:

Solve: 12–[26–{2+5×(6–3)}]

Find the conjugate of (1 + i) ³ 

If $$ {(x-2)^{2}+(y-{1\over2})^{2}}=0$$, then the value of $$ {x\over y}$$ is