IXL | Online math practice
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Standard form (Ax + By = C), rules 1&2

rule 1:Put x and y on the same side which puts the extra number on the other side.
rule 2:x comes first and must have a positive coefficient.

AB
4x + 3y + 8 = 04x + 3y = -8
4x + 3y + 8 = 54x + 3y = -3
4x + 3y + 8 = -24x + 3y = -10
4x - 3y + 8 = 04x -3y = -8
4x - 3y + 8 = 54x - 3y = -3
4x - 3y + 8 = -24x - 3y = -10
-4x - 3y + 8 = 04x + 3y = 8
-4x - 3y + 8 = 54x + 3y = 3
-4x - 3y + 8 = -24x + 3y = 10
-4x + 3y + 8 = 04x -3y = 8
-4x + 3y + 8 = 54x - 3y = 3
-4x + 3y + 8 = -24x - 3y = 10



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