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OpenStudy (anonymous):
Solve the system by using elimination or elimination with multiplication. Write the solution as an ordered pair (a, b). a - b = -5 and a + 2b = 1
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OpenStudy (anonymous):
b=2 and a=-3
OpenStudy (campbell_st):
a - b = -5 (1) a + 2b = 1 (2) you need 2 x (1) + (2) 2a - 2b = -10 + a + 2b = 1 --------------- 3a = -9 a = -3 substitute into either equation to find b b = 2 hope it helps
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