Solve the system by substitution.
y=6x
y=3x+21
( , )
1 answer:
Answer:
(7,42)
Step-by-step explanation:
Imput the 6x for the Y:
6x=3x+21
move the variable to the left
6x-3x=21
collect like terms:
3x=21
divide both sides by 3x and youll get this for X
x=7
Imput x=7 into the equation
Y=6x7
solve:
y=42
You might be interested in
Answer:
common numerator and denomanator
Step-by-step explanation:
Answer:
the fabric is 91.44 centimeters long
Well the answer i think is going to be 18
5400 is the nearest hundred to 5403.264
Answer:
140
180 - 40 = 140
Step-by-step explanation:
