Question

Решите уравнения, пожалуйста!

( x * 4 ) *3 = 15
x + 300 * 4 = 1500
x * 80 = 180 : 20
x = ( 80 : 20 ) = 1600
x = ( 320 - x ) : 20 + 25 = 63
( 150 : x + 7 ) 6* 40 = 480

Answer 1

x1 = 5/4
x1 = 300
x1 = 9/80