Example 1:
Expression: 5x + 3x + 2x
Combining like terms: 5x + 3x + 2x=(5+3+2)x
=10x
Example 2:
Expression: 7y + 4− 2y + 5
Combining like terms:
Like terms with y: 7y − 2y= 5y
Like terms with constants: 4 + 5= 9
Simplified expression: 5y + 9
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