Solve the system of linear equations by substitution: (SHOW UR WORK) y=-x y=3x-4
1 answer:
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Answer:
Step-by-step explanation:
<u>Given:</u>
<u>Solve for </u><u> in the 1st equation:</u>
<u>Substitute the value of </u><u> into the 2nd equation and solve for </u>
<u>:</u>
<u>Substitute the value of </u><u> into the 3rd equation and solve for </u>
<u>:</u>
<u>Plug </u><u> into the solved expression for </u>
<u> and evaluate to solve for </u>
<u>:</u>
<u>Plug </u><u> into the solved expression for </u>
<u> and evaluate to solve for </u>
<u>:</u>
Therefore:
Answer:
To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.
Please see the attached image below, to find more information about the graph
The equation is:
f(x) = 1/x - 1
Domain
All real numbers except for {0}
