Question

What is the solution for a.
ab+c=d

Answer 1

Step-by-step explanation:
Remember we can do pretty much anything we like to an equation as long as we do the same to both sides.
Subtract
c
from both sides:
a
b
+
c
−
c
=
d
−
c

∴
a
b
=
d
−
c

Divide both sides by
b

a
b
b
=
d
−
c
b

∴
a
=
d
−
c
b

Answer 2

The second option

Step-by-step explanation: