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If $a + b = 27$ $a+b=27$ , then what is the value of 3a+3b?

1 Answer

Nov 23, 2016

$a + b = 27$ $a+b=27$

Multiply each side by 3:

$3 (a + b) = 3 (27)$ $3(a+b)=3(27)$

$3 a + 3 b = 81$ $3a+3b=81$

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