Question

Aflati pe j : 200 : {[( 7xj + 144 ) : 25 + 132 ] x 5 - 600 } = 2 + 0 : 10

Answer 1

200:{[(7×j+144):25+132]×5-600}=2
{[(7×j+144):25+132]×5-600}=200:2⇒100
[(7×j+144):25+132]×5=100+600⇒700
[(7×j+144):25+132]=700:5⇒140
(7×j+144):25=140-132⇒8
(7×j+144)=8×25⇒200
7×j=200-144
7×j=56
j=56:7
j=8