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OpenStudy (anonymous):
Consider the following pair of equations: y = −2x + 8 y = x − 1 Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.
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OpenStudy (texaschic101):
sub in one y value for the other
OpenStudy (texaschic101):
y = x - 1 now sub in x - 1 for y back into the other equation
OpenStudy (texaschic101):
y = -2x + 8 x - 1 = -2x + 8 can you solve for x now ?
OpenStudy (anonymous):
2x + 9?
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