5) dash Is a parallelogram in which all sides are equal. 6) Reciprocal of - 1 is dash 7) In the equation 7x+9 = 5 x- 5,then the value of x is. .
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7x+9-9=5x-5-9
7x=5x=-14
7x-5x=5x-14-5x
2x=-14
x=-14/2
x=-7
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