Question

R
=
3
x
+
9
y

Find
x
when
y
=
6
and
R
=
7

Answer 1

TWINKLE TWINKLE LITTLE STAR

HOW I WONDER WHAT YOU ARE

UP ABOVE THE WORLD SO HIGH

LIKE A DIAMOND IN THE SKY

lol sorry-

your question ain't properly readable-

Answer 2

X= -15,66
Explanation:
R=7 / y=6 so:
7=3x+9*6
7=3x+54
7-54=3x+54-54
-47=3x
-47/3=3x/3
-15,66=x