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0.3y + 1.2 = 0.4 x

Hence

0.4x - 0.3y - 1.2 = 0

or

0.4x - 0.3y = 1.2

To remove the decimal point multiply by '10' Hence

4x - 3y = 12

Make 'y' the subject

3y = 4x - 12

y = (4/3)x - 4

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lenpollock

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โˆ™ 2022-09-26 15:37:02
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โˆ™ 2011-12-01 16:00:51
  • Identify a linear equation in standard form
  • Use the properties of equality to write a linear equation in standard form
  • Determine solutions of a linear equation given in standard form
  • Graph a linear equation given in standard form
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Q: How would you write 0.3y plus 1.2 equals 0.4x in standard form?
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