Asked by Anonymous
solve the system
y=x+3
y=-3x+7
y=x+3
y=-3x+7
Answers
Answered by
MathGuru
Here is one way to solve this system of equations.
Substitute x+3 for y in the second equation.
x + 3 = -3x + 7
Now solve for x:
x + 3x = -3 + 7
4x = 4
x = 1
Therefore, y = 4
Check both equations to see if the solutions work. It always helps to check your work!
Substitute x+3 for y in the second equation.
x + 3 = -3x + 7
Now solve for x:
x + 3x = -3 + 7
4x = 4
x = 1
Therefore, y = 4
Check both equations to see if the solutions work. It always helps to check your work!
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