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  • 09-11-2018
  • Mathematics
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How do you solve this problem step by step: (4x+3)+(-7x+5)=?

Respuesta :

martian7682 martian7682
  • 09-11-2018

[tex](4x + 3) + ( - 7x + 5)[/tex]
Remove unnecessary parenthesis

[tex]4x + 3 + ( - 7x + 5)[/tex]
When there is a "+" in front of the parenthesis the expression remains the same

[tex]4x + 3 - 7x + 5[/tex]
Collect the like terms by subtracting their coefficients

[tex](4 - 7)x[/tex]
Calculate the difference
[tex] - 3x[/tex]
[tex] - 3x + 3 + 5[/tex]
Add numbers
[tex]3 + 5 = 8[/tex]
Answer:
[tex] - 3x + 8[/tex]
Answer Link

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