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OpenStudy (anonymous):
2a+3b=11b
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OpenStudy (anonymous):
uh...
OpenStudy (anonymous):
a=4b
OpenStudy (anonymous):
2 * (2a + 3b = 11) ===> 4a + 6b = 22 Subtract the second equation from that: 4a + 6b = 22 -(4a - 5b = -11) ------------------- 11b = 33 Divide both sides by 3: b = 33 / 11 = 3 Substitute 3 for b in either original equation to solve for a.
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