Solve the system of equations by using elimination. Show all work for full credit. List your answer as an ordered pair.
0.2c + 1.5d = –2.7
1.2c – 0.5d = 2.8
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sorry I am not knowing.
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1
Answer:
first multiply both the eq by 10 to remove the decimal point.
therefore the equations become
2c+15d=-27
12c-5d=28
multiplying the second eq by 3 we get
36c-15d= 84
solving by elimination
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