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Apply inverse operations to isolate r.
G
We are given the Newton's Law of Universal Gravitation equation. F = G m_1 m_2/r^2 To solve this literal equation for r, we will use the Properties of Equality to apply inverse operations on the equation. Remember, only like terms can be combined.
LHS * r^2=RHS* r^2
.LHS /F.=.RHS /F.
sqrt(LHS)=sqrt(RHS)
This corresponds to option G.