Question

find the roots of following equation x-7=9
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Answer 1

Answer:

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Step-by-step explanation:

x - 7 = 9

x = 9 + 7 = 16

There is only one root

Answer 2

−7=9

x-7=9x−7=9

Solve

1

Add 

7

77

 to both sides of the equation

−7=9

x-7=9x−7=9

−7+7=9+7

x-7+{\color{#c92786}{7}}=9+{\color{#c92786}{7}}x−7+7=9+7

2

Simplify

Solution

=16