Question

If (– 43) × 109 = a + (– 487), then the value of a is
(1) – 4100
(2) – 4200
(3) – 4300
(4) – 4400

Answer 1

(-43)×109=a+(-487)
-43×109= a-487
-4687= a -487
a= -4687+487
a= -4200
Hope you got it :)