Jamie gave Laura $3 more than Laura already had. Now Laura has $19. How much did jamie gave her?

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Let x = amount Laura already had
x + 3 = amount Jamie gave to Laura
x + x+ 3 = 19 = Laura's total money
2x+3 = 19
2x = 16
x= $8 = what Laura already had
x+3 = $11 = amount Jamie gave Laura
Check: Total = $8 + $11 = $19
R^2 at SCC

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