Solve for r 3r^3=9

Math
3r3=9
Move 9 to the left side of the equation by subtracting it from both sides.
3r3-9=0
Factor 3 out of 3r3-9.
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Factor 3 out of 3r3.
3(r3)-9=0
Factor 3 out of -9.
3r3+3⋅-3=0
Factor 3 out of 3r3+3⋅-3.
3(r3-3)=0
3(r3-3)=0
Divide each term by 3 and simplify.
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Divide each term in 3(r3-3)=0 by 3.
3(r3-3)3=03
Cancel the common factor of 3.
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Cancel the common factor.
3(r3-3)3=03
Divide r3-3 by 1.
r3-3=03
r3-3=03
Divide 0 by 3.
r3-3=0
r3-3=0
Add 3 to both sides of the equation.
r3=3
Take the cube root of both sides of the equation to eliminate the exponent on the left side.
r=33
The result can be shown in multiple forms.
Exact Form:
r=33
Decimal Form:
r=1.44224957…
Solve for r 3r^3=9

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