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Question
7x-9
Find the roots
x=\frac{9}{7}
Alternative Form
x=1.\dot{2}8571\dot{4}
Evaluate
7x-9
To find the roots of the expression,set the expression equal to 0
7x-9=0
Move the constant to the right-hand side and change its sign
7x=0+9
Removing 0 doesn't change the value,so remove it from the expression
7x=9
Divide both sides
\frac{7x}{7}=\frac{9}{7}
Solution
x=\frac{9}{7}
Alternative Form
x=1.\dot{2}8571\dot{4}
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