Question

Given that
R
=
4
x
+
6
y

Find
x
when
y
=
4
and
R
=
11

Give your answer as an improper fraction in its simplest form

Answer 1

Answer: x= -3.25

Step-by-step explanation:

R=4x+6y   11=4x+6(4)     11=4x+ 24     11-24=4x   -13=4x  -13/4=x  x=-3.25

11=4(-3.25)+ 6(4)  11= -13+24