Answer:
y
=
7
x
+
15
Step-by-step explanation:
An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign.
The answer is: 1.25
Remember: Keep the first fraction, Change the Sign, Flip the second fraction.
KEEP - 5/28
CHANGE - division to multiplication
FLIP - 7/1
Your number is 21.
21 divided by 3 is 7. 7 plus -3 is 4.