Jane guessed the rules. Help her to rewrite each one in a simpler way.
a
x → 3x−x+5=
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3x - x+5
=3x -1 + 5
=(3-1)x+5
=2x+5
Explaination
If a negative term doesn't have a coefficient, it is considered that the coefficient is -1
Collect like terms by subtracting their coefficients
=3x -1 + 5
=(3-1)x+5
=2x+5
Explaination
If a negative term doesn't have a coefficient, it is considered that the coefficient is -1
Collect like terms by subtracting their coefficients
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