Solving Equations Involving Negative Coefficients

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Transcript Solving Equations Involving Negative Coefficients

Solving Equations Involving
Negative Coefficients
4.3
Negative Variable
-x = -1∙ x
Integer Rule Review
• Same sign add and keep
• Different sign subtract and keep the sign of
the larger number
• Multiply and Divide same sign positive
• Multiply and Divide different signs negative
KFC
• Keep the first term
• Flip the subtraction to addition
• Change the sign of the next number
8- x =3
15-n=4
3-2x=11
8-3x=32
8x+7-9x=-3
32=92-8t-4t
Homework
Page 181 (14-34) all
(Checking is always a good idea but I am not
going to deduct points for not checking on this
homework assignment.)