Respuesta :
f = 3m
f = 3 + 4m
Since both equations are equal to f, set them equal to each other.
3m = 3 + 4m
Subtract 4m from both sides.
-m = 3
Divide both sides by -1.
m = -3
CHECK
f = 3(-3) = -9
f = 3 + 4(-3) = -9
f = 3 + 4m
Since both equations are equal to f, set them equal to each other.
3m = 3 + 4m
Subtract 4m from both sides.
-m = 3
Divide both sides by -1.
m = -3
CHECK
f = 3(-3) = -9
f = 3 + 4(-3) = -9
-9 is Monique's number.
How to solve a system of equations?
There are three ways to solve systems of linear equations: substitution, elimination, and graphing.
We will solve using substitution.
Given,
f = 3m
f = 3 + 4m
Since both equations are equal to f, set them equal to each other.
3m = 3 + 4m
Subtract 4m from both sides.
-m = 3
Divide both sides by -1.
m = -3
CHECK
f = 3(-3) = -9
f = 3 + 4(-3) = -9
What is a system of an equation?
A "system" of equations is a set or collection of equations that you deal with all together at once. Linear equations (ones that graph as straight lines) are simpler than non-linear equations, and the simplest linear system is one with two equations and two variables.
Learn more about the system of an equation here: brainly.com/question/14323743
#SPJ2