-9/7=-2x-x - solution

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Solution for -9/7=-2x-x equation:

x in (-oo:+oo)

-9/7 = -2*x-x // + -2*x-x

x-(-2*x)-9/7 = 0

2*x+x-9/7 = 0

3*x-9/7 = 0 // + 9/7

3*x = 9/7 // : 3

x = 9/7/3

x = 3/7

x = 3/7

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