Question

Решите уравнение (a+109)×30=6510

Answer 1

[ а + 109] x 30=6510
30a +3270 =6510
30a = 6510 - 3270
30a = 3240
a = 3240 : 30
a =108

Answer 2

( a + 109 ) * 30 = 6510 ; A + 109 = 6510 : 30 ; A * 109 = 217 ; A = 217 : 109 ; A = 1 ( 108/109 )