Equations with variables on both sides

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Transcript Equations with variables on both sides

Equations with variables
on both sides
Lesson 2-2
Example
5.50x + 34.60 = 4.25x + 64.60
550x + 3460 = 425x + 6460
550x – 425x + 3460 = 425x – 425x + 6460
125x + 3460 = 6460
125x + 3460 – 3460 = 6460 – 3460
125x = 3000
125𝑥
3000
=
125
125
x = 24
Subtraction Property of Equality
Subtract 425x from each side
Combine like terms
Subtraction Property of Equality
Subtract 3460 from each side
Combine like terms
Division Property of Equality
Divide each side by 125
Solution