(1500 - ( 780 - y ) + 187 + 689 + 79 ) - 379 = 1000

Question

(1500 - ( 780 - y ) + 187 + 689 + 79 ) - 379 = 1000

Answer 1

(1500+780y+187+689+79)-379=100

Answer 2

1500-780+у+187+689+79=1000-379
1675+у=621
у=1675-621
у=1054