So 2x+12=5x-9
you want all of the unknowns on one side and all of the known values on the other or
subtract 2x from both sides
12=3x-9
add 9 to both sides
21=3x
divide both sides by 3
7=x
Answer: Not really sure what you mean by algebra tiles but I do know that x=2.
Hello there.
<span>How many solutions does the system of equations have y=5x+7 and 3y-15x=18
</span><span>B two
</span>
Answer:
360
Step-by-step explanation:
I got it right
Answer:
y=(1/2)x-(5/2)
the slope is 1/2 so use that to find the equation of the line