Answer:
6
Explanation:
you combine the Xś for an equation of 5x-9=21 then you add 9 to the minus 9 and the 21 to get 5x=30 you then divide 5 on each side to get x=6
Answer=
= − 3 ±
Combine multiplied terms into a single fraction
Combine exponents
Multiply all terms by the same value to eliminate fraction denominators
Simplify
Move terms to the left side
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