(-7x)-(-9x)+(-5x)+13x=20

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Solution for (-7x)-(-9x)+(-5x)+13x=20 equation:



(-7x)-(-9x)+(-5x)+13x=20
We move all terms to the left:
(-7x)-(-9x)+(-5x)+13x-(20)=0
We add all the numbers together, and all the variables
13x+(-7x)-(-9x)+(-5x)-20=0
We get rid of parentheses
13x-7x+9x-5x-20=0
We add all the numbers together, and all the variables
10x-20=0
We move all terms containing x to the left, all other terms to the right
10x=20
x=20/10
x=2

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