Respuesta :


Let's solve for x.
y
=
12
x
+
90
Step 1: Flip the equation.
12
x
+
90
=
y
Step 2: Add -90 to both sides.
12
x
+
90
+

90
=
y
+

90
12
x
=
y

90
Step 3: Divide both sides by 12.
12
x
12
=
y

90
12
x
=
1
12
y
+

15
2
Answer:
x
=
1
12
y
+

15
2