Answer:
[tex]a=\frac{d-c}{b}[/tex]
Step-by-step explanation:
ab+c=d
in order to find the value of a subtracting c on both sides
ab+c-c=d-c
ab=d-c
dividing b on both sides
ab/b=(d-c)/b
[tex]a=\frac{d-c}{b}[/tex] is the answer
i hope this will help you :)
