Solve the system of linear equations by elimination. −x+3y=0 x+3y=12
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Answer:
Step-by-step explanation:
The equation of a line has the following format:
In which m is the slope and b is the y-intercept(value of x when y = 0).
In this question:
Slope 4, which means that .
So
Contains point (1,-8).
This means that when . We replace this into the equation to find b. So
So
