Solve for R, S
R=5
S=10
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2S=4\times 5
Consider the second equation. Insert the known values of variables into the equation.
2S=20
Multiply 4 and 5 to get 20.
S=\frac{20}{2}
Divide both sides by 2.
S=10
Divide 20 by 2 to get 10.
R=5 S=10
The system is now solved.
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