Question

Q(3x)=5q(x)+8solve for x

Answer 1

we have that

q(x)=7x-1

solve the equation

q(3x)=5q(x)+8

step 1

Find q(3x)

q(3x)=7(3x)-1

q(3x)=21x-1

step 2

substitute in the original expression

21x-1=5(7x-1)+8

21x-1=35x-5+8

21x-1=35x+3

35x-21x=-1-3

14x=-4

x=-4/14

x=-2/7