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OpenStudy (anonymous):
Anyone good at linear equations? medal + fan! Solve the system of equations by substitution x + 2y = 1 5x + 4y = -7 Solve the system of equations by addition 3x + 6y = -15 4x - 6y = -6
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OpenStudy (anonymous):
\[3x + 6y = -15 \\4x - 6y = -6\] add in a column and the y terms go bye bye you get \[7x=-21\] which you solve n one step
OpenStudy (anonymous):
Thanks!!!!!
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