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- KM 754e-20151026165555 · 2018-09-09 · 4; substitute —4 for y 16. 03x+5y = 10 - - 10,3x -20 =...
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KM 754e-20151026165555 · 2018-09-09 · 4; substitute —4 for y 16. 03x+5y = 10 - - 10,3x -20 = 10,3x = 30, x = in 0:3x + -4) 17. 0 4x + = 12 @ x = 5y - 20; substitute 5y — 20
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