2x/3-7=-1 - solution

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Solution for 2x/3-7=-1 equation:

x in (-oo:+oo)

(2*x)/3-7 = -1 // + 1

(2*x)/3-7+1 = 0

2/3*x-6 = 0 // + 6

2/3*x = 6 // : 2/3

x = 6/2/3

x = 9

x = 9

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