Determine the solution to f(x) = g(x) using the following system of equations:
f(x) = 3x + 12
g(x) = −9.5x − 13
Stacey Warren - Expert brainly.com
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as it says... let f(x) = g(x)
3x + 12 = 9.5x -13
and solve for x
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so do i swap f(x) and g(x) or do i get rid of f(x) and replace it with g(x)?
well start by adding 13 to both sides of the equation
3x + 12 = 9.5x - 13
+ 13 + 13
3x + 25 = 9.5x
-3x -3x subtract 3x from both sides of the equation
25 = 6.5x
now solve for x..... you may like to check you have f(x) and g(x) correct as the solution is a decimal...
i got 3.84615384615
so do i just round up to 4?
or keep it at 3
that's why I asked if you had entered f(x) and g(x) correctly
i copy and paste it
ill check still tho
if you round the answer, it goes to 4
ik that and im guessing thats what i need to do because i checked and its right
ok... good luck
wait you for got to put 9.5x as a negative when you solved it
i just noticed
ohh wait its still 6.5 because you have to combine them :/
-4 isnt a choice...
its either b or c
hold on I'll redo it correctly and now it makes more sense
3x + 12 = -9.5x - 13
+13 +13 add 13
3x + 25 = -9.5x
-3x -3x subtract 3x from both sides
25 = -12.5x
now the solution should make sense