Question

Afla termenul necunoscut x,știind ca [(x+360:4)×5+700]:600=2

Answer 1

[ (x+360 :4 ) x 5 +700] ;600=2

[(x +90 ) x 5+700] :600=2

(x+90)x 5 +700=2 x 600

( x+90) x 5+700=1200

(x+90) x 5=1200-700

(x+90) x 5=500

x+90=500:5

x+90=100

x=100-90

x=10