If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x+2/7 = 65/7 // - 65/7
x+2/7-(65/7) = 0
x+2/7-65/7 = 0
x-9 = 0 // + 9
x = 9
x = 9
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