Evaluate: 5r+2t=10

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Expression: $5r+2t=10$

Move the variable to the right-hand side and change its sign

$5r=10-2t$

Divide both sides of the equation by $5$

$r=2-\frac{ 2 }{ 5 }t$

Use the commutative property to reorder the terms

$r=-\frac{ 2 }{ 5 }t+2$

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