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OpenStudy (anonymous):
When using the substitution method, what expression for x in the first equation would be substituted in the second equation? x + 3y = -7 and 2x + 4y = -4
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OpenStudy (abb0t):
if x +3y=-7 that means you subtract 3y to get x=-7-3y
OpenStudy (anonymous):
Thank you!
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