Question

Given the equation 3x + 15 =8b +c
Make c the subject of the formula
Calculate the value of c if x =5 and b= 16

Answer 1

Answer:

given equation is 3x+15=8b+c

then c is subject then then equation will be , 3x+15-8b=c

subtistude those values in that equation ,

3x+15-8b=c

c=3(5)+15-8(16)

c=15+15-128

c=30-128

c= -98