Question

Х+10=43-17 ; b+(12+40) b=44 b=18 b=100 b=63

Answer 1

$displaystyle tt 1) : x+10=43-17\x+10=26\x=26-10\x=16$

$displaystyle tt 2) : b+(12+40)=b+56$

$b=44 to 44+56=100\b=18 to 18+56=74\b=100 to 100+56=156\b=63 to 63+56=119$