My problem is that when we have a - sign like hust above does it count to a 1 which is minus or what. I really dont understand.Please give the answer like right now.

thankyou

My problem is that when we have a - sign like hust above does it count to a 1 which is minus or what. I really dont understand.Please give the answer like right now.

thankyou

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John R. | John R: Math, Science, and History TeacherJohn R: Math, Science, and History Teach...

When you have a negative sign before a parenthesis, it should be treated like a negative one (-1).

-(5x + 2) + 2(1 + 5x) Given

-5x - 2 + 2 + 10x Distributive property (the numbers in the 1st parenthesis times -1)

-5x + 10x -2 + 2 Commutative property

5x + 0 Simplify

5x Identity property of addition

Luis A. | Physics / Advance Math / Spanish TutorPhysics / Advance Math / Spanish Tutor

Or, it's your permission to erase the parenthsis and just flip the sign of everything that was inside them.

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## Comments

Whenever you come across a negative that's not immediately attached to a number or variable, you can safely put a 1 next to it to make it a -1. In your situation that -1 would the distributed in as John has shown below.