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Evaluate and match each expression on the left to its value on the right, when and .

Evaluate and match each expression on the left to its value on the right, when and-example-1

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GIVEN

Four expressions in terms of x and y where


\begin{gathered} x=6 \\ y=5 \end{gathered}

SOLUTION

Expression 1:


12+x

Substitute x = 6 into the expression:


12+x=12+6=18

Expression 2:


3x+y

Substitute for x and y into the expression:


3(6)+5=18+5=23

Follow the same pattern for the other two expressions:


\begin{gathered} 4y-10=4(5)-10=20-10=10 \\ (1)/(2)xy=(1)/(2)\cdot6\cdot5=(30)/(2)=15 \end{gathered}

ANSWER


\begin{gathered} 12+x=18 \\ 3x+y=23 \\ 4y-10=10 \\ (1)/(2)xy=15 \end{gathered}

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