Question

plz answer the sum with whole solution.
1. 18 - 2[2-3{-2(5-4)}]
2.
$\frac{4x}{5} + 22 = 42$

Answer 1

(i)
$18 - 2( 2 - 3( - 2(5 - 4)))$
$16(2 - 3( - 10 + 8))$
$16( - 1( - 2))$
$16 \times (2)$
$= 32$